./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1231.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1231.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7acfe881669b731d03fc8aee9db955b71d947923db9c9de4e28fcb386b44b191 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:53:02,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:53:02,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:53:02,272 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:53:02,274 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:53:02,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:53:02,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:53:02,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:53:02,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:53:02,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:53:02,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:53:02,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:53:02,313 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:53:02,313 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:53:02,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:53:02,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:53:02,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:53:02,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:53:02,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:53:02,314 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:53:02,314 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:53:02,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:53:02,314 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:53:02,315 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:53:02,315 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:53:02,315 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:53:02,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:53:02,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:53:02,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:53:02,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:53:02,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:53:02,315 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:53:02,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:53:02,316 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7acfe881669b731d03fc8aee9db955b71d947923db9c9de4e28fcb386b44b191 [2024-11-13 21:53:02,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:53:02,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:53:02,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:53:02,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:53:02,643 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:53:02,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_1231.c Unable to find full path for "g++" [2024-11-13 21:53:04,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:53:04,884 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:53:04,885 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/sv-benchmarks/c/float-newlib/float_req_bl_1231.c [2024-11-13 21:53:04,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/data/e9ca1bd0e/197712cdee9646f495fe7c6ebe260bcd/FLAG9df9ce165 [2024-11-13 21:53:04,955 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/data/e9ca1bd0e/197712cdee9646f495fe7c6ebe260bcd [2024-11-13 21:53:04,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:53:04,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:53:04,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:53:04,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:53:04,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:53:04,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:53:04" (1/1) ... [2024-11-13 21:53:04,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e290b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:04, skipping insertion in model container [2024-11-13 21:53:04,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:53:04" (1/1) ... [2024-11-13 21:53:04,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:53:05,196 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/sv-benchmarks/c/float-newlib/float_req_bl_1231.c[1835,1848] [2024-11-13 21:53:05,200 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/sv-benchmarks/c/float-newlib/float_req_bl_1231.c[1994,2007] [2024-11-13 21:53:05,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:53:05,209 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:53:05,229 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/sv-benchmarks/c/float-newlib/float_req_bl_1231.c[1835,1848] [2024-11-13 21:53:05,230 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/sv-benchmarks/c/float-newlib/float_req_bl_1231.c[1994,2007] [2024-11-13 21:53:05,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:53:05,246 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:53:05,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05 WrapperNode [2024-11-13 21:53:05,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:53:05,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:53:05,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:53:05,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:53:05,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,280 INFO L138 Inliner]: procedures = 19, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2024-11-13 21:53:05,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:53:05,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:53:05,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:53:05,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:53:05,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:53:05,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:53:05,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:53:05,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:53:05,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:53:05,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:53:05,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:53:05,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:53:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:53:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:53:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:53:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2024-11-13 21:53:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2024-11-13 21:53:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2024-11-13 21:53:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2024-11-13 21:53:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 21:53:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:53:05,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:53:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:53:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:53:05,474 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:53:05,476 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:53:05,739 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 21:53:05,739 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:53:05,849 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:53:05,850 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:53:05,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:05 BoogieIcfgContainer [2024-11-13 21:53:05,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:53:05,851 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:53:05,851 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:53:05,858 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:53:05,859 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:53:05,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:05,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2024-11-13 21:53:05,926 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-11-13 21:53:05,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:53:05,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:05,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:06,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:53:06,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:06,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2024-11-13 21:53:06,303 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2024-11-13 21:53:06,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 21:53:06,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:06,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:06,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:53:06,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:06,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2024-11-13 21:53:06,537 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2024-11-13 21:53:06,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:53:06,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:06,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:06,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:53:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:06,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:53:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:06,875 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-13 21:53:06,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:53:06 ImpRootNode [2024-11-13 21:53:06,919 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:53:06,920 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:53:06,920 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:53:06,920 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:53:06,921 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:05" (3/4) ... [2024-11-13 21:53:06,923 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:53:06,925 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:53:06,929 INFO L158 Benchmark]: Toolchain (without parser) took 1966.13ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 93.5MB in the end (delta: 25.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-13 21:53:06,929 INFO L158 Benchmark]: CDTParser took 1.55ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:06,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.67ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:53:06,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.47ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:06,930 INFO L158 Benchmark]: Boogie Preprocessor took 25.61ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 104.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:06,930 INFO L158 Benchmark]: RCFGBuilder took 543.10ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 83.6MB in the end (delta: 21.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:53:06,932 INFO L158 Benchmark]: CodeCheck took 1068.43ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 94.1MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:06,933 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 93.5MB in the end (delta: 617.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:06,934 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 47 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 80 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 362 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 77]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 59. Possible FailurePath: [L68] float x = __VERIFIER_nondet_float(); [L69] float y = __VERIFIER_nondet_float(); [L70] CALL, EXPR isnan_float(x) VAL [\old(x)=2] [L59] return x != x; [L70] RET, EXPR isnan_float(x) VAL [x=2] [L70] EXPR isnan_float(x) && !isnan_float(y) VAL [x=2] [L70] CALL, EXPR isnan_float(y) VAL [\old(x)=3] [L59] return x != x; [L70] RET, EXPR isnan_float(y) VAL [x=2, y=3] [L70] EXPR isnan_float(x) && !isnan_float(y) VAL [x=2, y=3] [L70-L71] (isnan_float(x) && !isnan_float(y)) || (!isnan_float(x) && isnan_float(y)) VAL [x=2, y=3] [L70-L71] COND TRUE (isnan_float(x) && !isnan_float(y)) || (!isnan_float(x) && isnan_float(y)) [L73] CALL, EXPR fmin_float(x, y) [L38] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=2] [L15] __uint32_t w; VAL [\old(x)=2, x=2] [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (w) = gf_u.word [L23] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L25-L26] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L28-L29] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L31] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L34] return 0; [L38] RET, EXPR __fpclassify_float(x) VAL [x=2, y=3] [L38] COND TRUE __fpclassify_float(x) == 0 [L39] return y; VAL [\result=3, x=2] [L73] RET, EXPR fmin_float(x, y) [L73] float res = fmin_float(x, y); [L76] CALL, EXPR isnan_float(x) VAL [\old(x)=2] [L59] return x != x; [L76] RET, EXPR isnan_float(x) VAL [x=2, y=3] [L76] EXPR isnan_float(x) && !isnan_float(y) VAL [x=2, y=3] [L76] CALL, EXPR isnan_float(y) VAL [\old(x)=3] [L59] return x != x; [L76] RET, EXPR isnan_float(y) VAL [x=2, y=3] [L76] EXPR isnan_float(x) && !isnan_float(y) VAL [x=2, y=3] [L76] COND TRUE isnan_float(x) && !isnan_float(y) && res != y [L77] reach_error() VAL [x=2, y=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.67ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.47ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.61ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 104.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 543.10ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 83.6MB in the end (delta: 21.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1068.43ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 94.1MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 93.5MB in the end (delta: 617.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:53:06,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1231.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7acfe881669b731d03fc8aee9db955b71d947923db9c9de4e28fcb386b44b191 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:53:09,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:53:09,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:53:09,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:53:09,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:53:09,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:53:09,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:53:09,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:53:09,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:53:09,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:53:09,760 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:53:09,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:53:09,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:53:09,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:53:09,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:53:09,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:53:09,761 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:53:09,761 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:53:09,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:53:09,761 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:53:09,761 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:53:09,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:53:09,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:53:09,763 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:53:09,763 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:53:09,763 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:53:09,766 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:09,767 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:53:09,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:53:09,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:53:09,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:53:09,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:53:09,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:53:09,767 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:53:09,767 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:09,767 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:53:09,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7acfe881669b731d03fc8aee9db955b71d947923db9c9de4e28fcb386b44b191 [2024-11-13 21:53:10,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:53:10,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:53:10,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:53:10,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:53:10,100 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:53:10,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_1231.c Unable to find full path for "g++" [2024-11-13 21:53:12,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:53:12,277 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:53:12,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/sv-benchmarks/c/float-newlib/float_req_bl_1231.c [2024-11-13 21:53:12,303 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/data/c1c11fdbd/0af9106db5b24de781e99c905c86dc19/FLAG4a096face [2024-11-13 21:53:12,571 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/data/c1c11fdbd/0af9106db5b24de781e99c905c86dc19 [2024-11-13 21:53:12,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:53:12,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:53:12,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:53:12,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:53:12,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:53:12,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:53:12" (1/1) ... [2024-11-13 21:53:12,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f43e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:12, skipping insertion in model container [2024-11-13 21:53:12,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:53:12" (1/1) ... [2024-11-13 21:53:12,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:53:12,766 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/sv-benchmarks/c/float-newlib/float_req_bl_1231.c[1835,1848] [2024-11-13 21:53:12,770 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/sv-benchmarks/c/float-newlib/float_req_bl_1231.c[1994,2007] [2024-11-13 21:53:12,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:53:12,784 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:53:12,807 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/sv-benchmarks/c/float-newlib/float_req_bl_1231.c[1835,1848] [2024-11-13 21:53:12,808 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/sv-benchmarks/c/float-newlib/float_req_bl_1231.c[1994,2007] [2024-11-13 21:53:12,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:53:12,827 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:53:12,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:12 WrapperNode [2024-11-13 21:53:12,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:53:12,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:53:12,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:53:12,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:53:12,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:12" (1/1) ... [2024-11-13 21:53:12,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:12" (1/1) ... [2024-11-13 21:53:12,864 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2024-11-13 21:53:12,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:53:12,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:53:12,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:53:12,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:53:12,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:12" (1/1) ... [2024-11-13 21:53:12,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:12" (1/1) ... [2024-11-13 21:53:12,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:12" (1/1) ... [2024-11-13 21:53:12,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:12" (1/1) ... [2024-11-13 21:53:12,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:12" (1/1) ... [2024-11-13 21:53:12,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:12" (1/1) ... [2024-11-13 21:53:12,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:12" (1/1) ... [2024-11-13 21:53:12,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:12" (1/1) ... [2024-11-13 21:53:12,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:53:12,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:53:12,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:53:12,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:53:12,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:12" (1/1) ... [2024-11-13 21:53:12,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:53:12,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:53:12,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:53:12,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:53:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:53:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:53:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:53:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2024-11-13 21:53:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2024-11-13 21:53:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2024-11-13 21:53:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2024-11-13 21:53:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:53:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:53:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:53:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 21:53:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:53:13,068 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:53:13,071 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:53:13,403 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-13 21:53:13,405 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:53:13,519 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:53:13,520 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:53:13,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:13 BoogieIcfgContainer [2024-11-13 21:53:13,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:53:13,521 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:53:13,521 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:53:13,532 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:53:13,532 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:13" (1/1) ... [2024-11-13 21:53:13,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:53:13,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:13,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2024-11-13 21:53:13,603 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2024-11-13 21:53:13,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:53:13,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:13,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:13,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:13,613 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:13,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:53:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:13,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:13,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:53:13,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:13,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:13,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:53:13,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:13,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2024-11-13 21:53:13,926 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2024-11-13 21:53:13,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:53:13,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:13,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:13,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:13,933 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:13,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:53:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:14,116 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:14,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:53:14,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:53:14,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:14,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:14,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2024-11-13 21:53:14,246 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2024-11-13 21:53:14,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:53:14,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:14,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:14,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:14,251 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:14,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:53:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:14,439 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:14,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:53:14,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:14,552 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:53:14,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:53:14,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:14,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2024-11-13 21:53:14,610 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2024-11-13 21:53:14,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:14,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:14,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:14,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:14,615 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:14,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:53:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:14,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:15,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:15,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:15,958 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:15,961 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:53:15,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:53:17,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:17,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:17,299 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:17,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:17,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:17,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:17,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:17,304 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:17,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:53:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:17,532 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:17,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:17,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:17,971 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:17,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:53:18,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:18,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:18,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:18,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:18,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:18,075 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:18,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:53:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:18,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:18,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:18,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:18,634 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:18,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:53:18,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:18,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:18,661 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:18,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:18,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:18,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:18,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:18,664 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:18,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:53:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:18,941 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:18,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:18,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:19,330 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:19,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:53:19,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:19,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:19,362 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:19,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:19,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:19,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:19,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:19,369 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:19,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:53:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:19,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:19,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:19,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:19,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:53:20,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:20,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:20,015 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:20,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:20,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:20,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:20,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:20,019 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:20,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:53:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:20,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:20,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:20,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:20,589 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:20,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:20,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:20,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:20,609 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:20,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:20,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:20,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:20,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:20,614 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:20,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:53:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:20,892 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:20,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:20,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:21,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:21,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:21,234 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:21,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:21,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:21,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:21,237 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:21,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:53:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:21,511 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:21,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:21,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:21,841 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:21,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 21:53:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:21,861 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:21,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:21,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:21,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:21,864 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:21,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:53:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:22,116 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:22,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:22,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:22,465 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:22,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:22,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:22,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:22,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:22,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:22,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:22,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:22,493 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:22,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 21:53:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:22,770 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:22,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:22,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:23,069 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:23,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:23,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:23,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:23,090 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:23,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:23,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:23,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:23,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:23,095 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:23,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 21:53:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:23,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:23,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:23,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:23,684 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:23,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:23,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:23,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:23,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:23,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:23,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:23,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:23,704 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:23,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 21:53:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:23,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:23,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:23,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:24,197 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:24,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:24,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:24,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:24,215 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:24,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:24,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:24,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:24,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:24,218 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:24,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 21:53:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:24,509 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:24,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:24,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:24,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:24,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 21:53:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:24,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:24,758 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:24,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:24,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:24,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:24,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:24,764 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:24,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 21:53:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:25,037 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:25,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:25,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:25,292 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:25,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:25,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:25,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:25,307 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:25,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:25,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:25,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:25,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:25,312 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:25,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 21:53:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:25,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:25,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:25,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:25,854 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:25,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:25,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:25,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:25,875 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:25,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:25,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:25,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:25,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:25,882 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:25,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 21:53:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:26,107 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:26,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:26,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:26,375 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:26,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:26,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:26,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:26,391 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:26,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:26,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:26,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:26,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:26,395 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:26,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 21:53:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:26,640 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:26,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:26,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:26,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:26,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:26,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:26,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:26,887 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:26,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:26,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:26,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:26,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:26,890 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:26,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 21:53:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:27,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:27,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:27,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:27,364 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:27,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 21:53:27,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:27,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:27,380 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:27,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:27,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:27,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:27,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:27,383 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:27,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 21:53:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:27,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:27,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:27,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:27,870 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:27,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 21:53:27,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:27,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:27,886 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:27,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:27,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:27,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:27,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:27,891 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:27,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 21:53:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:28,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:28,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:28,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:28,400 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:28,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 21:53:28,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:28,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:28,415 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:28,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:28,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:28,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:28,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:28,418 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:28,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 21:53:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:28,628 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:28,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:28,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:28,857 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:28,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 21:53:28,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:28,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:28,878 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:28,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:28,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:28,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:28,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:28,881 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:28,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 21:53:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:29,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:29,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:29,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:29,341 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:29,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:29,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:29,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:29,365 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:29,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:29,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:29,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:29,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:29,367 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:29,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 21:53:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:29,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:29,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:29,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:29,911 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:29,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 21:53:29,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:29,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:29,925 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:29,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:29,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:29,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:29,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:29,929 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:29,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 21:53:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:30,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:30,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:30,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:30,369 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:30,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 21:53:30,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:30,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:30,384 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:30,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:30,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:30,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:30,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:30,388 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:30,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 21:53:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:30,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:30,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:30,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:30,851 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:30,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 21:53:30,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:30,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:30,864 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:30,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:30,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:30,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:30,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:30,871 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:30,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 21:53:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:31,086 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:31,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:31,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:31,380 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:31,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 21:53:31,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:31,398 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:31,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:31,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:31,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:31,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:31,400 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:31,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 21:53:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:31,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:31,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:31,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:31,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:31,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 21:53:31,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:31,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:31,890 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:31,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:31,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:31,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:31,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:31,896 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:31,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 21:53:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:32,128 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:32,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:32,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:32,421 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:32,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 21:53:32,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:32,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:32,441 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:32,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:32,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:32,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:32,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:32,446 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:32,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 21:53:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:32,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:32,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:32,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:32,882 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:32,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 21:53:32,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:32,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:32,898 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:32,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:32,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:32,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:32,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:32,903 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:32,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 21:53:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:33,210 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:33,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:33,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:33,487 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:33,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:33,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:33,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:33,506 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:33,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:33,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:33,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:33,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:33,509 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:33,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 21:53:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:33,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:33,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:33,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:33,968 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:33,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 21:53:33,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:33,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:33,985 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:33,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:33,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:33,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:33,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:33,989 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:33,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 21:53:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:34,233 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:34,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:34,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:34,441 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:34,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 21:53:34,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:34,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:34,453 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:34,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:34,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:34,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:34,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:34,455 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:34,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 21:53:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:34,686 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:34,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:34,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:34,876 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:34,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 21:53:34,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:34,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:34,888 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:34,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:34,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:34,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:34,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:34,892 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:34,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 21:53:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:35,124 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:35,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:35,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:35,331 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:35,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-13 21:53:35,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:35,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:35,343 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:35,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:35,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:35,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:35,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:35,345 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:35,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 21:53:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:35,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:35,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:35,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:35,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:35,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 21:53:35,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:35,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:35,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:35,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:35,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:35,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:35,804 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:35,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 21:53:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:36,051 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:36,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:36,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:36,234 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:36,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 21:53:36,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:36,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:36,248 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:36,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:36,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:36,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:36,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:36,253 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:36,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 21:53:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:36,500 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:36,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:36,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:36,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 21:53:36,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:36,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:36,750 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:36,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:36,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:36,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:36,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:36,754 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:36,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 21:53:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:36,995 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:37,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:37,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:37,240 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:37,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-13 21:53:37,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:37,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:37,253 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:37,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:37,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:37,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:37,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:37,256 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:37,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 21:53:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:37,508 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:37,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:37,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:37,735 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:37,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-13 21:53:37,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:37,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:37,747 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:37,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:37,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:37,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:37,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:37,749 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:37,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 21:53:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:37,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:38,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 21:53:38,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:38,249 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:38,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-13 21:53:38,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:38,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:38,262 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:38,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:38,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:38,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:38,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:38,264 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:38,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 21:53:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:38,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:38,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:38,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:38,721 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:38,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 21:53:38,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:38,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:38,734 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:38,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:38,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:38,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:38,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:38,740 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:38,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 21:53:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:38,985 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:39,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:39,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:39,198 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:39,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-13 21:53:39,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:39,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:39,211 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:39,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:39,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:39,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:39,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:39,214 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:39,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 21:53:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:39,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:39,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:39,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:39,683 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:39,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:39,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:39,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:39,696 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:39,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:39,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:39,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:39,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:39,698 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:39,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 21:53:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:39,942 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:39,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:39,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:40,128 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:40,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:40,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:40,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:40,141 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:40,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:40,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:40,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:40,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:40,143 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:40,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 21:53:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:40,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:40,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:40,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:40,699 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:40,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-13 21:53:40,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:40,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:40,712 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:40,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:40,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:40,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:40,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:40,715 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:40,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 21:53:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:40,963 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:41,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:41,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:41,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-13 21:53:41,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:41,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:41,196 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:41,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:41,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:41,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:41,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:41,199 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:41,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 21:53:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:41,448 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:41,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:41,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:41,631 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:41,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-13 21:53:41,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:41,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:41,644 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:41,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:41,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:41,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:41,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:41,647 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:41,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-13 21:53:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:41,900 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:41,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:41,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:42,151 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:42,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:42,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:42,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:42,164 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:42,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:42,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:42,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:42,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:42,166 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:42,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-13 21:53:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:42,419 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:42,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:42,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:42,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:42,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:42,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:42,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:42,654 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:42,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:42,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:42,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:42,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:42,659 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:42,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-13 21:53:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:42,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:42,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:42,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:43,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:43,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-13 21:53:43,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:43,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:43,133 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:43,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:43,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:43,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:43,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:43,135 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:43,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-13 21:53:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:43,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:43,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:43,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:43,635 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:43,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:43,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:43,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:43,647 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:43,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:43,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:43,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:43,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:43,649 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:43,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-13 21:53:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:43,906 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:43,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:43,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:44,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:44,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-13 21:53:44,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:44,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:44,134 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:44,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:44,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:44,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:44,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:44,138 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:44,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-13 21:53:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:44,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:44,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:44,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:44,678 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:44,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:44,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:44,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:44,691 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:44,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:44,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:44,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:44,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:44,693 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:44,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-13 21:53:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:44,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:44,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:44,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:45,181 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:45,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-13 21:53:45,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:45,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:45,204 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:45,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:45,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:45,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:45,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:45,208 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:45,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-13 21:53:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:45,490 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:45,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:45,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:45,685 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:45,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-13 21:53:45,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:45,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:45,698 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:45,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:45,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:45,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:45,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:45,700 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:45,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-13 21:53:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:45,962 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:46,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:46,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:46,228 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:46,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-13 21:53:46,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:46,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:46,240 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:46,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:46,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:46,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:46,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:46,242 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:46,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-13 21:53:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:46,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:46,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:46,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:46,747 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:46,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-13 21:53:46,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:46,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:46,759 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:46,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:46,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:46,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:46,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:46,763 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:46,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-13 21:53:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:47,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:47,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:47,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:47,324 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:47,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-13 21:53:47,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:47,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:47,337 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:47,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:47,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:47,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:47,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:47,342 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:47,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-13 21:53:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:47,607 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:47,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:47,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:47,885 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:47,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-13 21:53:47,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:47,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:47,897 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:47,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:47,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:47,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:47,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:47,902 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:47,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-13 21:53:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:48,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:48,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:48,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:48,420 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:48,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-13 21:53:48,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:48,433 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:48,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:48,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:48,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:48,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:48,436 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:48,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-13 21:53:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:48,710 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:48,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:48,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:48,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:48,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-13 21:53:48,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:48,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:48,937 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:48,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:48,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:48,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:48,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:48,941 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:48,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-13 21:53:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:49,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:49,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:49,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:49,409 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:49,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-11-13 21:53:49,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:49,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:49,424 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:49,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:49,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:49,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:49,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:49,429 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:49,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-13 21:53:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:49,736 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:49,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:49,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:49,977 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:49,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-13 21:53:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:49,989 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:49,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:49,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:49,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:49,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:49,992 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:49,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-13 21:53:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:50,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:50,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:50,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:50,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-13 21:53:50,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:50,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:50,611 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:50,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:50,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:50,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:50,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:50,614 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:50,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-13 21:53:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:50,892 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:50,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:50,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:51,091 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:51,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-11-13 21:53:51,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:51,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:51,104 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:51,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:51,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:51,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:51,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:51,109 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:51,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-13 21:53:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:51,394 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:51,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:51,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:51,622 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:51,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:51,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:51,635 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:51,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:51,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:51,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:51,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:51,641 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:51,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-13 21:53:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:51,923 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:51,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:51,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:52,149 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:52,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:52,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:52,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:52,161 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:52,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:52,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:52,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:52,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:52,165 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:52,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-13 21:53:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:52,447 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:52,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:52,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:52,656 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:52,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:52,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:52,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:52,669 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:52,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:52,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:52,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:52,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:52,672 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:52,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-13 21:53:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:52,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:52,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:52,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:53,156 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:53,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:53,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:53,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:53:53,169 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:53:53,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:53,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:53,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:53,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:53,171 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:53,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-13 21:53:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:53,451 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:53,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:53:53,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:53,880 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:53,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-13 21:53:55,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:55,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:53:55,087 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:53:55,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:55,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:55,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:55,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:55,091 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:55,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-13 21:53:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:55,400 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:55,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:55,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:55,627 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:55,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:55,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:55,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:53:55,638 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:53:55,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:55,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:55,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:55,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:55,640 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:55,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-13 21:53:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:55,946 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:55,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:55,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:56,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-13 21:53:56,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:56,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:53:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:53:56,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:56,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:56,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:56,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:56,231 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:56,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-13 21:53:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:56,528 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:56,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:56,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:56,764 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:56,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-13 21:53:56,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:56,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:53:56,774 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:53:56,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:56,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:56,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:56,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:56,777 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:56,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-13 21:53:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:57,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:57,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:57,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:57,309 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:57,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:57,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:57,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:53:57,320 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:53:57,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:57,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:57,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:57,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:57,325 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:57,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-13 21:53:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:57,617 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:57,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:57,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:57,881 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:57,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-13 21:53:57,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:57,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:53:57,892 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:53:57,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:57,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:57,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:57,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:57,896 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:57,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-13 21:53:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:58,185 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:58,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:58,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:58,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:58,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-13 21:53:58,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:58,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:53:58,444 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:53:58,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:58,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:58,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:58,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:58,447 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:58,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-13 21:53:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:58,759 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:58,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:53:58,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:58,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-13 21:53:58,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:58,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:53:58,891 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:53:58,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:58,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:58,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:58,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:58,893 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:58,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-13 21:53:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:59,189 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:59,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:59,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:59,395 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:59,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-13 21:53:59,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:59,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:53:59,405 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:53:59,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:59,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:59,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:59,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:59,407 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:59,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-13 21:53:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:59,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:59,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:53:59,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:59,933 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:53:59,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-13 21:53:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:53:59,944 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:53:59,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:53:59,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:59,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:59,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:59,946 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:59,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-13 21:54:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:00,244 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:00,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:00,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:00,565 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:00,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:00,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:00,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:00,576 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:00,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:00,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:00,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:00,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:00,580 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:00,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-13 21:54:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:00,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:00,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:00,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:01,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-13 21:54:01,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:01,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:01,135 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:01,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:01,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:01,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:01,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:01,138 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:01,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-13 21:54:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:01,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:01,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:01,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:01,696 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:01,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-13 21:54:01,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:01,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:01,711 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:01,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:01,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:01,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:01,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:01,713 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:01,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-13 21:54:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:02,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:02,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:02,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:02,264 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:02,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:02,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:02,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:02,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:02,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:02,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:02,278 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:02,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-13 21:54:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:02,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:02,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:02,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:02,804 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:02,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-13 21:54:02,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:02,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:02,815 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:02,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:02,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:02,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:02,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:02,819 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:02,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-13 21:54:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:03,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:03,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:03,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:03,358 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:03,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-13 21:54:03,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:03,370 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:03,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:03,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:03,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:03,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:03,374 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:03,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-13 21:54:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:03,686 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:03,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:03,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:03,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-11-13 21:54:03,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:03,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:03,910 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:03,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:03,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:03,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:03,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:03,915 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:03,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-13 21:54:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:04,234 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:04,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:04,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:04,417 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:04,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-13 21:54:04,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:04,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:04,428 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:04,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:04,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:04,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:04,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:04,434 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:04,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-13 21:54:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:04,756 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:04,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:04,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:04,979 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:04,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-13 21:54:04,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:04,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:04,991 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:04,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:04,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:04,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:04,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:04,994 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:04,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-13 21:54:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:05,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:05,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:05,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:05,566 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:05,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:05,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:05,577 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:05,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:05,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:05,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:05,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:05,581 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:05,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-13 21:54:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:05,916 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:05,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:05,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:06,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:06,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-13 21:54:06,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:06,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:06,154 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:06,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:06,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:06,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:06,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:06,156 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:06,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-13 21:54:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:06,483 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:06,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:06,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:06,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:06,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-13 21:54:06,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:06,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:06,689 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:06,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:06,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:06,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:06,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:06,691 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:06,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-13 21:54:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:07,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:07,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:07,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:07,241 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:07,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:07,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:07,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:07,252 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:07,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:07,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:07,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:07,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:07,254 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:07,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-13 21:54:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:07,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:07,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:07,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:07,802 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:07,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-11-13 21:54:07,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:07,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:07,820 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:07,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:07,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:07,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:07,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:07,822 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:07,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-13 21:54:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:08,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:08,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:08,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:08,342 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:08,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:08,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:08,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:08,354 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:08,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:08,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:08,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:08,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:08,356 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:08,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-13 21:54:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:08,680 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:08,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:08,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:08,872 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:08,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:08,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:08,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:08,884 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:08,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:08,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:08,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:08,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:08,886 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:08,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-13 21:54:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:09,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:09,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:09,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:09,419 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:09,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-13 21:54:09,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:09,430 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:09,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:09,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:09,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:09,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:09,434 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:09,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-13 21:54:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:09,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:09,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:09,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:09,997 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:10,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-13 21:54:10,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:10,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:10,009 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:10,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:10,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:10,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:10,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:10,011 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:10,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-13 21:54:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:10,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:10,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:10,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:10,588 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:10,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-13 21:54:10,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:10,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:10,600 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:10,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:10,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:10,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:10,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:10,605 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:10,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-13 21:54:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:11,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:11,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:11,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:11,235 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:11,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-13 21:54:11,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:11,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:11,246 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:11,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:11,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:11,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:11,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:11,250 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:11,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-13 21:54:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:11,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:11,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:11,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:11,803 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:11,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-13 21:54:11,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:11,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:11,815 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:11,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:11,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:11,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:11,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:11,817 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:11,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-13 21:54:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:12,147 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:12,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:12,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:12,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-13 21:54:12,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:12,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:12,401 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:12,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:12,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:12,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:12,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:12,409 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:12,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-13 21:54:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:12,759 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:12,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:12,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:13,087 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:13,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-11-13 21:54:13,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:13,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:13,101 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:13,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:13,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:13,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:13,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:13,105 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:13,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-13 21:54:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:13,522 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:13,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:13,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:13,758 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:13,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:13,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:13,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:13,769 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:13,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:13,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:13,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:13,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:13,771 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:13,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-13 21:54:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:14,119 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:14,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:14,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:14,429 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:14,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-13 21:54:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:14,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:14,443 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:14,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:14,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:14,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:14,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:14,446 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:14,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-13 21:54:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:14,815 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:14,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:14,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:15,041 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:15,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-11-13 21:54:15,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:15,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:15,055 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:15,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:15,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:15,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:15,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:15,057 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:15,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-13 21:54:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:15,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:15,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:15,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:15,686 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:15,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-13 21:54:15,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:15,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:15,698 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:15,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:15,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:15,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:15,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:15,705 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:15,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-13 21:54:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:16,050 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:16,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:16,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:16,268 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:16,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:16,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:16,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:16,280 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:16,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:16,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:16,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:16,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:16,282 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:16,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-13 21:54:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:16,659 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:16,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:16,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:16,897 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:16,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-11-13 21:54:16,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:16,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:16,908 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:16,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:16,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:16,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:16,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:16,910 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:16,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-13 21:54:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:17,254 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:17,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:17,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:17,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:17,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-13 21:54:17,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:17,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:17,495 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:17,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:17,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:17,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:17,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:17,498 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:17,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-13 21:54:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:17,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:17,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:17,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:18,081 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:18,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-13 21:54:18,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:18,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:18,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:18,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:18,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:18,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:18,096 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:18,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-13 21:54:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:18,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:18,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:18,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:18,668 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:18,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:18,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:18,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:18,680 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:18,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:18,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:18,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:18,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:18,682 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:18,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-13 21:54:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:19,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:19,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:19,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:19,231 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:19,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-13 21:54:19,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:19,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:19,243 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:19,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:19,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:19,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:19,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:19,245 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:19,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-13 21:54:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:19,620 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:19,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:19,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:19,857 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:19,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:19,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:19,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:19,867 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:19,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:19,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:19,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:19,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:19,869 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:19,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-13 21:54:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:20,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:20,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:20,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:20,472 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:20,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-13 21:54:20,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:20,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:20,482 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:20,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:20,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:20,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:20,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:20,484 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:20,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-13 21:54:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:20,867 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:20,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:20,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:21,059 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:21,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-13 21:54:21,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:21,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:21,072 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:21,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:21,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:21,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:21,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:21,074 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:21,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-13 21:54:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:21,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:21,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:21,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:21,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:21,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-11-13 21:54:21,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:21,651 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:21,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:21,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:21,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:21,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:21,655 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:21,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-13 21:54:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:22,008 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:22,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:22,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:22,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-11-13 21:54:22,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:22,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:22,227 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:22,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:22,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:22,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:22,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:22,231 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:22,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-13 21:54:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:22,586 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:22,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:22,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:22,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-11-13 21:54:22,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:22,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:22,855 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:22,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:22,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:22,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:22,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:22,861 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:22,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-13 21:54:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:23,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:23,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:23,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:23,491 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:23,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-13 21:54:23,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:23,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:23,502 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:23,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:23,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:23,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:23,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:23,504 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:23,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-13 21:54:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:23,867 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:23,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:23,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:24,113 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:24,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-13 21:54:24,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:24,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:24,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:24,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:24,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:24,126 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:24,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-13 21:54:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:24,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:24,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:24,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:24,740 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:24,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-11-13 21:54:24,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:24,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:24,751 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:24,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:24,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:24,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:24,753 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:24,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-13 21:54:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:25,116 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:25,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:25,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:25,367 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:25,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-13 21:54:25,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:25,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:25,378 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:25,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:25,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:25,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:25,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:25,380 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:25,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-13 21:54:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:25,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:25,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:25,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:26,036 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:26,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:26,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:26,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:26,046 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:26,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:26,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:26,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:26,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:26,049 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:26,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-13 21:54:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:26,451 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:26,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:26,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:26,662 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:26,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-11-13 21:54:26,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:26,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:26,673 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:26,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:26,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:26,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:26,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:26,678 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:26,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-13 21:54:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:27,077 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:27,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:27,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:27,310 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:27,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:27,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:27,322 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:27,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:27,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:27,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:27,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:27,324 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:27,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-13 21:54:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:27,694 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:27,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:27,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:27,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:27,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:27,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:27,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:27,973 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:27,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:27,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:27,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:27,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:27,975 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:27,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-13 21:54:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:28,347 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:28,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:28,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:28,644 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:28,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (131)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:28,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:28,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:28,655 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:28,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:28,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:28,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:28,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:28,657 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:28,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-13 21:54:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:29,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:29,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:29,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:29,234 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:29,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-13 21:54:29,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:29,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:29,245 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:29,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:29,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:29,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:29,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:29,246 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:29,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-13 21:54:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:29,711 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:29,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:29,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:30,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-11-13 21:54:30,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:30,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:30,131 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:30,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:30,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:30,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:30,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:30,135 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:30,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-13 21:54:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:30,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:30,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:30,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:30,804 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:30,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-13 21:54:30,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:30,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:30,815 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:30,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:30,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:30,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:30,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:30,817 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:30,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-13 21:54:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:31,195 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:31,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:31,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:31,436 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:31,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-13 21:54:31,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:31,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:31,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:31,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:31,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:31,449 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:31,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-13 21:54:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:31,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:31,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:31,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:32,088 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:32,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-13 21:54:32,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:32,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:32,099 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:32,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:32,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:32,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:32,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:32,101 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:32,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-13 21:54:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:32,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:32,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:32,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:32,721 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:32,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-13 21:54:32,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:32,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:32,731 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:32,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:32,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:32,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:32,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:32,734 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:32,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-13 21:54:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:33,128 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:33,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:33,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:33,354 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:33,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-13 21:54:33,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:33,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:33,366 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:33,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:33,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:33,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:33,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:33,368 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:33,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-13 21:54:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:33,747 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:33,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:33,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:33,994 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:33,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-13 21:54:34,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:34,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:34,005 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:34,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:34,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:34,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:34,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:34,007 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:34,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-13 21:54:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:34,387 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:34,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:34,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:34,646 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:34,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-13 21:54:34,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:34,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:34,656 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:34,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:34,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:34,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:34,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:34,658 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:34,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-13 21:54:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:35,038 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:35,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:35,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:35,288 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:35,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-13 21:54:35,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:35,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:35,299 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:35,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:35,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:35,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:35,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:35,305 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:35,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-13 21:54:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:35,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:35,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:35,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:35,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:35,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-13 21:54:35,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:35,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:35,984 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:35,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:35,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:35,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:35,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:35,986 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:35,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-13 21:54:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:36,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:36,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:36,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:36,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:36,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-13 21:54:36,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:36,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:36,667 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:36,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:36,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:36,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:36,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:36,669 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:36,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-13 21:54:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:37,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:37,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:37,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:37,328 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:37,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (144)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:37,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:37,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:37,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:37,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:37,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:37,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:37,341 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:37,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-13 21:54:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:37,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:37,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:37,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:37,996 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:37,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-13 21:54:38,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:38,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:38,006 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:38,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:38,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:38,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:38,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:38,008 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:38,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-13 21:54:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:38,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:38,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:38,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:38,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-13 21:54:38,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:38,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:38,646 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:38,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:38,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:38,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:38,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:38,647 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:38,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-13 21:54:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:39,042 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:39,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:39,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:39,301 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:39,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-13 21:54:39,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:39,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:39,315 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:39,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:39,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:39,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:39,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:39,319 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:39,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-13 21:54:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:39,759 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:39,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:39,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:40,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-13 21:54:40,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:40,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:40,032 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:40,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:40,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:40,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:40,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:40,034 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:40,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-13 21:54:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:40,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:40,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:40,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:40,639 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:40,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (149)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:40,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:40,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:40,651 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:40,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:40,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:40,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:40,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:40,652 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:40,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-13 21:54:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:41,047 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:41,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:41,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:41,323 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:41,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-13 21:54:41,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:41,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:41,339 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:41,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:41,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:41,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:41,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:41,343 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:41,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-13 21:54:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:41,747 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:41,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:41,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:41,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:41,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-11-13 21:54:41,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:41,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:41,977 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:41,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:41,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:41,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:41,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:41,980 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:41,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-13 21:54:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:42,395 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:42,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:42,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:42,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:42,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (152)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:42,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:42,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:42,634 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:42,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:42,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:42,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:42,636 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:42,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-13 21:54:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:43,039 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:43,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:43,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:43,294 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:43,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-13 21:54:43,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:43,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:43,305 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:43,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:43,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:43,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:43,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:43,307 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:43,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-13 21:54:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:43,711 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:43,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:43,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:44,003 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:44,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-13 21:54:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:44,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:44,014 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:44,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:44,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:44,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:44,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:44,017 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:44,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-13 21:54:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:44,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:44,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:44,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:44,652 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:44,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-13 21:54:44,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:44,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:44,663 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:44,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:44,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:44,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:44,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:44,665 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:44,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-13 21:54:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:45,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:45,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:45,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:45,330 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:45,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-11-13 21:54:45,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:45,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:45,341 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:45,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:45,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:45,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:45,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:45,343 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:45,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-13 21:54:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:45,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:45,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 21:54:45,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:46,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-13 21:54:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:46,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:46,178 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:46,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:46,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:46,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:46,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:46,180 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:46,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-13 21:54:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:46,593 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:46,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:46,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:46,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-13 21:54:46,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:46,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:46,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:46,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:46,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:46,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:46,810 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:46,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-13 21:54:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:47,230 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:47,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:47,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:47,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-13 21:54:47,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:47,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:47,467 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:47,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:47,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:47,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:47,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:47,469 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:47,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-13 21:54:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:47,887 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:47,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:47,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:48,089 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:48,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-13 21:54:48,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:48,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:48,102 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:48,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:48,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:48,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:48,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:48,105 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:48,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-13 21:54:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:48,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:48,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:48,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:48,880 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:48,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-13 21:54:48,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:48,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:48,891 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:48,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:48,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:48,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:48,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:48,893 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:48,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-13 21:54:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:49,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:49,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:49,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:49,573 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:49,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-13 21:54:49,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:49,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:49,584 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:49,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:49,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:49,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:49,586 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:49,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-13 21:54:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:50,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:50,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:50,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:50,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-11-13 21:54:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:50,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:50,287 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:50,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:50,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:50,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:50,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:50,289 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:50,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-13 21:54:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:50,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:50,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:50,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:50,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-13 21:54:50,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:50,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:50,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:50,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:50,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:50,953 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:50,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-13 21:54:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:51,381 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:51,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:51,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:51,636 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:51,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-11-13 21:54:51,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:51,648 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:51,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:51,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:51,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:51,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:51,650 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:51,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-13 21:54:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:52,077 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:52,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 21:54:52,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:52,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-13 21:54:52,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:52,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:52,328 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:52,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:52,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:52,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:52,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:52,330 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:52,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-13 21:54:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:52,769 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:52,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:52,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:52,997 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:53,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-11-13 21:54:53,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:53,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:53,008 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:53,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:53,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:53,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:53,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:53,010 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:53,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-13 21:54:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:53,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:53,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:53,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:53,656 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:53,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-13 21:54:53,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:53,667 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:53,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:53,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:53,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:53,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:53,670 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:53,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-13 21:54:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:54,108 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:54,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:54,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:54,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:54,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-13 21:54:54,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:54,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:54,377 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:54,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:54,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:54,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:54,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:54,379 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:54,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-13 21:54:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:54,807 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:54,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:54,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:55,036 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:55,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-11-13 21:54:55,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:55,054 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:55,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:55,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:55,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:55,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:55,056 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:55,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-13 21:54:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:55,485 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:55,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:55,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:55,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (171)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:55,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:55,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:55,715 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:55,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:55,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:55,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:55,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:55,717 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:55,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-13 21:54:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:56,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:56,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:56,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:56,391 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:56,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-13 21:54:56,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:56,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:56,402 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:56,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:56,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:56,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:56,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:56,404 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:56,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-13 21:54:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:56,834 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:56,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:56,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:57,080 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:57,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-13 21:54:57,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:57,095 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:57,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:57,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:57,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:57,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:57,100 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:57,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-13 21:54:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:57,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:57,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:57,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:57,823 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:57,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-13 21:54:57,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:57,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:57,834 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:57,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:57,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:57,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:57,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:57,836 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:57,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-13 21:54:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:58,271 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:58,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:58,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:58,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-13 21:54:58,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:58,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:58,531 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:58,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:58,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:58,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:58,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:58,532 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:58,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-13 21:54:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:58,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:58,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:58,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:59,205 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:54:59,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-13 21:54:59,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:59,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:54:59,225 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:54:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:54:59,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:59,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:59,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:59,228 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:59,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-13 21:54:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:59,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:59,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:54:59,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:00,006 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:00,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-11-13 21:55:00,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:00,017 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:00,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:00,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:00,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:00,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:00,019 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:00,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-13 21:55:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:00,471 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:00,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:00,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:00,713 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:00,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (178)] Forceful destruction successful, exit code 0 [2024-11-13 21:55:00,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:00,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:00,725 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:00,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:00,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:00,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:00,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:00,727 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:00,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-13 21:55:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:01,169 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:01,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:01,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:01,438 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:01,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-13 21:55:01,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:01,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:01,449 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:01,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:01,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:01,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:01,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:01,451 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:01,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-13 21:55:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:01,894 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:01,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:01,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:02,162 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:02,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-11-13 21:55:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:02,174 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:02,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:02,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:02,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:02,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:02,176 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:02,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-13 21:55:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:02,621 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:02,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:02,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:02,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-13 21:55:02,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:02,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:02,849 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:02,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:02,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:02,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:02,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:02,850 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:02,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-13 21:55:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:03,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:03,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:03,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:03,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-13 21:55:03,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:03,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:03,609 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:03,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:03,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:03,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:03,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:03,611 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:03,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-13 21:55:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:04,057 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:04,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:04,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:04,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:04,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-13 21:55:04,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:04,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:04,324 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:04,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:04,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:04,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:04,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:04,326 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:04,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-13 21:55:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:04,774 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:04,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:04,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:05,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (184)] Forceful destruction successful, exit code 0 [2024-11-13 21:55:05,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:05,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:05,018 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:05,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:05,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:05,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:05,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:05,023 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:05,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-13 21:55:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:05,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:05,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:05,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:05,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-13 21:55:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:05,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:05,765 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:05,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:05,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:05,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:05,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:05,767 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:05,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-13 21:55:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:06,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:06,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:06,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:06,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-11-13 21:55:06,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:06,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:06,528 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:06,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:06,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:06,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:06,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:06,529 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:06,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-13 21:55:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:06,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:07,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:07,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:07,237 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:07,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-13 21:55:07,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:07,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:07,249 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:07,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:07,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:07,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:07,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:07,252 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:07,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-13 21:55:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:07,741 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:07,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:07,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:07,999 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:08,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-13 21:55:08,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:08,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:08,011 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:08,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:08,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:08,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:08,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:08,013 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:08,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-13 21:55:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:08,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:08,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:08,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:08,752 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:08,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-13 21:55:08,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:08,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:08,763 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:08,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:08,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:08,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:08,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:08,765 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:08,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-13 21:55:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:09,234 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:09,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:09,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:09,494 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:09,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-11-13 21:55:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:09,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:09,507 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:09,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:09,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:09,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:09,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:09,509 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:09,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-13 21:55:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:10,038 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:10,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:10,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:10,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-11-13 21:55:10,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:10,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:10,303 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:10,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:10,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:10,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:10,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:10,305 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:10,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-13 21:55:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:10,771 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:10,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:10,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:10,998 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:11,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-11-13 21:55:11,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:11,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:11,014 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:11,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:11,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:11,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:11,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:11,016 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:11,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-13 21:55:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:11,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:11,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:11,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:11,729 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:11,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-11-13 21:55:11,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:11,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:11,741 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:11,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:11,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:11,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:11,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:11,744 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:11,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-13 21:55:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:12,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:12,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:12,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:12,477 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:12,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (194)] Forceful destruction successful, exit code 0 [2024-11-13 21:55:12,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:12,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:12,493 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:12,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:12,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:12,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:12,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:12,495 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:12,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-13 21:55:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:12,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:12,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:12,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:13,163 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:13,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-13 21:55:13,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:13,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:13,175 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:13,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:13,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:13,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:13,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:13,176 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:13,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-13 21:55:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:13,640 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:13,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 21:55:13,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:13,860 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:13,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-13 21:55:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:13,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:13,871 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:13,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:13,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:13,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:13,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:13,873 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:13,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-13 21:55:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:14,341 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:14,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:14,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:14,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-13 21:55:14,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:14,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:14,608 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:14,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:14,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:14,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:14,610 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:14,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-13 21:55:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:15,076 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:15,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:15,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:15,339 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:15,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-11-13 21:55:15,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:15,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:15,351 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:15,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:15,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:15,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:15,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:15,353 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:15,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-13 21:55:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:15,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:15,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:15,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:16,045 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:16,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (199)] Forceful destruction successful, exit code 0 [2024-11-13 21:55:16,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:16,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:16,056 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:16,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:16,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:16,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:16,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:16,058 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:16,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-13 21:55:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:16,536 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:16,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:16,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:16,786 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:16,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (200)] Forceful destruction successful, exit code 0 [2024-11-13 21:55:16,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:16,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:16,798 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:16,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:16,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:16,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:16,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:16,800 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:16,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-13 21:55:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:17,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:17,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:17,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:17,512 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:17,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-13 21:55:17,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:17,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:17,525 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:17,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:17,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:17,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:17,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:17,530 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:17,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-13 21:55:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:18,009 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:18,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:18,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:18,214 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:18,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-11-13 21:55:18,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:18,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:18,225 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:18,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:18,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:18,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:18,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:18,227 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:18,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-13 21:55:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:18,725 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:18,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:18,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:18,954 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:18,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-11-13 21:55:18,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:18,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:18,965 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:18,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:18,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:18,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:18,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:18,967 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:18,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-13 21:55:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:19,450 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:19,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:19,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:19,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:19,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-13 21:55:19,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:19,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:19,755 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:19,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:19,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:19,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:19,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:19,758 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:19,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-13 21:55:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:20,241 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:20,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:20,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:20,498 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:20,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-11-13 21:55:20,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:20,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:20,509 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:20,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:20,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:20,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:20,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:20,511 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:20,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-13 21:55:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:20,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:21,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:21,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:21,200 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:21,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-13 21:55:21,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:21,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:21,212 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:21,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:21,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:21,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:21,213 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:21,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-13 21:55:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:21,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:21,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:21,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:21,931 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:21,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-11-13 21:55:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:21,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:21,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:21,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:21,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:21,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:21,944 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:21,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-13 21:55:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:22,432 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:22,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:22,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:22,642 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:22,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-13 21:55:22,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:22,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:22,654 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:22,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:22,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:22,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:22,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:22,655 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:22,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-13 21:55:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:23,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:23,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:23,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:23,427 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:23,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-13 21:55:23,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:23,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:23,447 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:23,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:23,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:23,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:23,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:23,449 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:23,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-13 21:55:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:23,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:23,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:55:23,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:24,098 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:24,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-11-13 21:55:24,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:24,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:24,108 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:24,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:24,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:24,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:24,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:24,110 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:24,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-13 21:55:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:24,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:24,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:24,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:24,907 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:24,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-11-13 21:55:24,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:24,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:24,919 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:24,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:24,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:24,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:24,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:24,921 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:24,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-13 21:55:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:25,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:25,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:25,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:25,669 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:25,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-13 21:55:25,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:25,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:25,680 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:25,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:25,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:25,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:25,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:25,682 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:25,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-13 21:55:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:26,177 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:26,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:26,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:26,395 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:26,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-13 21:55:26,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:26,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:26,406 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:26,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:26,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:26,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:26,408 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:26,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-13 21:55:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:26,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:26,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:26,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:27,161 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:27,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-13 21:55:27,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:27,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:27,172 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:27,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:27,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:27,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:27,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:27,173 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:27,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-13 21:55:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:27,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:27,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:27,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:27,912 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:27,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-13 21:55:27,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:27,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:27,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:27,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:27,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:27,925 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:27,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-13 21:55:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:28,437 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:28,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:28,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:28,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (216)] Forceful destruction successful, exit code 0 [2024-11-13 21:55:28,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:28,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:28,760 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:28,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:28,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:28,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:28,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:28,764 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:28,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-13 21:55:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:29,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:29,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:29,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:29,585 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:29,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-13 21:55:29,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:29,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:29,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:29,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:29,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:29,604 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:29,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-13 21:55:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:30,116 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:30,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:30,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:30,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-11-13 21:55:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:30,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:30,359 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:30,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:30,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:30,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:30,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:30,361 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:30,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-13 21:55:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:30,861 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:30,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:30,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:31,112 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:31,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-13 21:55:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:31,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:31,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:31,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:31,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:31,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:31,125 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:31,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-13 21:55:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:31,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:31,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 21:55:31,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:31,870 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:31,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-13 21:55:31,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:31,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:31,882 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:31,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:31,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:31,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:31,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:31,883 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:31,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-13 21:55:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:32,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:32,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:32,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:32,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:32,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-11-13 21:55:32,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:32,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:32,631 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:32,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:32,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:32,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:32,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:32,633 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:32,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-13 21:55:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:33,143 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:33,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:33,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:33,347 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:33,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-11-13 21:55:33,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:33,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:33,359 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:33,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:33,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:33,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:33,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:33,360 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:33,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-13 21:55:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:33,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:33,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:33,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:34,137 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:34,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-13 21:55:34,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:34,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:34,149 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:34,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:34,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:34,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:34,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:34,151 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:34,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-13 21:55:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:34,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:34,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:34,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:34,909 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:34,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-13 21:55:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:34,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:34,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:34,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:34,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:34,923 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:34,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-13 21:55:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:35,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:35,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:35,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:35,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-11-13 21:55:35,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:35,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:35,686 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:35,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:35,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:35,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:35,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:35,688 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:35,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-13 21:55:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:36,227 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:36,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:36,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:36,533 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:36,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-13 21:55:36,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:36,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:36,545 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:36,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:36,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:36,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:36,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:36,548 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:36,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-13 21:55:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:37,068 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:37,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:37,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:37,281 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:37,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-13 21:55:37,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:37,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:37,293 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:37,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:37,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:37,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:37,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:37,295 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:37,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-13 21:55:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:37,815 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:37,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:37,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:38,070 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:38,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-13 21:55:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:38,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:38,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:38,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:38,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:38,084 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:38,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-13 21:55:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:38,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:38,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:38,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:38,801 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:38,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (229)] Forceful destruction successful, exit code 0 [2024-11-13 21:55:38,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:38,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:38,812 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:38,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:38,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:38,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:38,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:38,814 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:38,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-13 21:55:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:39,329 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:39,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 21:55:39,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:39,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-13 21:55:39,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:39,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:39,676 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:39,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:39,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:39,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:39,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:39,678 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:39,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-13 21:55:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:40,197 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:40,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:40,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:40,444 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:40,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-11-13 21:55:40,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:40,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:40,455 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:40,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:40,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:40,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:40,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:40,457 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:40,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-13 21:55:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:40,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:41,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:41,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:41,242 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:41,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-13 21:55:41,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:41,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:41,254 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:41,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:41,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:41,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:41,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:41,256 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:41,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-13 21:55:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:41,781 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:41,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:41,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:42,033 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:42,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-11-13 21:55:42,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:42,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:42,045 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:42,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:42,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:42,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:42,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:42,047 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:42,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-13 21:55:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:42,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:42,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:42,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:42,789 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:42,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-11-13 21:55:42,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:42,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:42,800 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:42,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:42,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:42,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:42,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:42,803 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:42,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-13 21:55:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:43,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:43,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:43,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:43,599 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:43,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-11-13 21:55:43,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:43,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:43,612 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:43,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:43,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:43,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:43,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:43,614 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:43,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-13 21:55:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:44,147 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:44,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:44,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:44,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:44,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-11-13 21:55:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:44,444 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:44,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:44,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:44,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:44,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:44,446 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:44,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-13 21:55:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:44,995 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:45,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:45,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:45,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-11-13 21:55:45,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:45,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:45,260 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:45,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:45,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:45,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:45,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:45,264 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:45,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-13 21:55:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:45,799 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:45,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:45,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:46,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-13 21:55:46,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:46,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:46,062 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:46,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:46,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:46,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:46,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:46,064 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:46,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-13 21:55:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:46,596 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:46,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:46,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:46,890 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:46,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-11-13 21:55:46,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:46,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:46,905 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:46,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:46,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:46,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:46,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:46,907 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:46,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-13 21:55:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:47,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:47,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:47,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:47,675 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:47,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-13 21:55:47,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:47,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:47,687 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:47,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:47,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:47,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:47,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:47,688 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:47,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-13 21:55:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:48,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:48,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:48,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:48,465 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:48,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-11-13 21:55:48,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:48,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:48,477 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:48,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:48,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:48,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:48,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:48,478 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:48,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-13 21:55:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:49,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:49,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:49,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:49,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:49,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-11-13 21:55:49,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:49,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:49,271 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:49,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:49,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:49,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:49,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:49,272 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:49,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-13 21:55:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:49,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:49,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:49,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:50,070 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:50,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-11-13 21:55:50,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:50,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:50,082 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:50,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:50,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:50,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:50,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:50,084 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:50,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-13 21:55:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:50,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:50,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:50,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:50,851 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:50,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-11-13 21:55:50,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:50,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:50,862 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:50,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:50,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:50,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:50,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:50,864 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:50,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-13 21:55:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:51,401 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:51,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:51,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:51,662 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:51,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-11-13 21:55:51,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:51,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:51,675 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:51,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:51,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:51,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:51,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:51,677 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:51,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-13 21:55:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:52,221 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:52,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:52,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:52,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-13 21:55:52,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:52,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:52,491 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:52,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:52,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:52,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:52,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:52,497 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:52,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-13 21:55:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:53,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:53,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:53,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:53,302 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:53,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-11-13 21:55:53,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:53,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:53,314 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:53,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:53,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:53,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:53,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:53,316 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:53,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-13 21:55:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:53,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:53,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:53,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:54,111 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:54,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (248)] Forceful destruction successful, exit code 0 [2024-11-13 21:55:54,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:54,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:54,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:54,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:54,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:54,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:54,124 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:54,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-13 21:55:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:54,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:54,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:54,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:54,886 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:54,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (249)] Forceful destruction successful, exit code 0 [2024-11-13 21:55:54,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:54,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:54,898 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:54,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:54,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:54,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:54,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:54,901 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:54,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-13 21:55:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:55,450 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:55,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:55,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:55,678 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:55,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (250)] Forceful destruction successful, exit code 0 [2024-11-13 21:55:55,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:55,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:55,691 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:55,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:55,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:55,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:55,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:55,692 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:55,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-13 21:55:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:56,243 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:56,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:56,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:56,460 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:56,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-11-13 21:55:56,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:56,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:56,479 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:56,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:56,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:56,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:56,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:56,481 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:56,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-13 21:55:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:57,040 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:57,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:57,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:57,224 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:57,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-11-13 21:55:57,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:57,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:57,236 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:57,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:57,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:57,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:57,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:57,238 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:57,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-13 21:55:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:57,795 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:57,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:57,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:58,066 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:58,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-11-13 21:55:58,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:58,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:58,077 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:58,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:58,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:58,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:58,079 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:58,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-13 21:55:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:58,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:58,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:58,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:58,917 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:58,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-11-13 21:55:58,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:58,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:58,929 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:58,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:58,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:58,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:58,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:58,931 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:58,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-13 21:55:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:59,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:59,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:55:59,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:55:59,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (255)] Forceful destruction successful, exit code 0 [2024-11-13 21:55:59,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:59,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:55:59,819 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:55:59,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:55:59,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:59,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:59,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:59,821 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:59,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-13 21:56:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:00,380 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:00,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:00,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:00,618 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:00,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:00,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:00,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:00,630 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:00,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:00,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:00,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:00,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:00,637 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:00,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-13 21:56:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:01,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:01,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:01,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:01,463 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:01,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-11-13 21:56:01,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:01,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:01,476 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:01,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:01,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:01,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:01,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:01,480 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:01,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-13 21:56:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:02,042 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:02,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:02,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:02,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:02,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-11-13 21:56:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:02,280 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:02,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:02,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:02,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:02,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:02,281 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:02,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-13 21:56:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:02,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:02,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:02,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:03,107 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:03,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-11-13 21:56:03,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:03,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:03,119 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:03,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:03,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:03,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:03,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:03,121 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:03,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-13 21:56:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:03,687 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:03,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:03,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:03,947 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:03,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-13 21:56:03,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:03,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:03,959 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:03,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:03,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:03,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:03,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:03,961 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:03,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-13 21:56:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:04,532 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:04,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:04,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:04,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:04,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (261)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:04,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:04,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:04,798 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:04,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:04,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:04,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:04,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:04,801 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:04,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-13 21:56:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:05,386 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:05,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:05,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:05,681 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:05,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (262)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:05,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:05,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:05,693 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:05,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:05,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:05,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:05,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:05,695 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:05,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-13 21:56:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:06,361 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:06,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:06,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:06,763 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:06,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2024-11-13 21:56:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:06,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:06,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:06,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:06,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:06,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:06,782 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:06,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-13 21:56:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:07,398 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:07,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:07,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:07,635 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:07,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-11-13 21:56:07,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:07,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:07,647 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:07,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:07,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:07,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:07,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:07,649 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:07,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-13 21:56:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:08,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:08,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:08,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:08,469 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:08,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-11-13 21:56:08,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:08,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:08,483 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:08,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:08,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:08,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:08,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:08,485 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:08,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-13 21:56:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:09,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:09,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:09,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:09,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (266)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:09,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:09,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:09,323 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:09,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:09,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:09,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:09,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:09,325 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:09,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-13 21:56:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:09,970 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:09,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:09,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:10,191 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:10,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-11-13 21:56:10,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:10,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:10,206 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:10,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:10,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:10,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:10,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:10,208 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:10,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-13 21:56:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:10,814 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:10,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:10,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:11,091 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:11,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-11-13 21:56:11,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:11,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:11,103 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:11,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:11,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:11,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:11,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:11,105 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:11,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-13 21:56:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:11,684 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:11,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:11,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:11,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:11,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (269)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:11,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:11,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:11,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:11,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:11,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:11,949 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:11,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-13 21:56:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:12,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:12,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:12,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:12,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:12,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-13 21:56:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:12,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:12,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:12,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:12,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:12,753 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:12,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-13 21:56:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:13,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:13,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:13,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:13,610 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:13,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-11-13 21:56:13,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:13,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:13,622 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:13,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:13,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:13,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:13,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:13,624 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:13,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-13 21:56:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:14,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:14,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:14,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:14,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-13 21:56:14,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:14,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:14,500 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:14,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:14,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:14,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:14,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:14,502 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:14,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-13 21:56:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:15,100 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:15,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:15,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:15,341 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:15,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-13 21:56:15,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:15,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:15,354 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:15,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:15,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:15,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:15,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:15,356 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:15,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-13 21:56:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:15,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:16,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:16,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:16,240 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:16,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-11-13 21:56:16,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:16,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:16,253 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:16,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:16,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:16,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:16,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:16,259 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:16,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-13 21:56:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:16,867 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:16,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:16,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:17,093 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:17,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-11-13 21:56:17,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:17,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:17,106 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:17,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:17,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:17,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:17,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:17,108 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:17,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-13 21:56:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:17,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:17,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:17,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:17,963 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:17,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-13 21:56:17,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:17,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:17,977 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:17,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:17,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:17,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:17,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:17,979 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:17,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-13 21:56:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:18,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:18,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:18,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:18,841 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:18,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-11-13 21:56:18,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:18,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:18,853 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:18,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:18,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:18,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:18,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:18,855 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:18,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-13 21:56:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:19,468 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:19,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:19,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:19,768 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:19,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-11-13 21:56:19,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:19,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:19,781 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:19,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:19,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:19,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:19,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:19,782 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:19,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-13 21:56:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:20,391 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:20,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:20,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:20,636 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:20,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-11-13 21:56:20,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:20,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:20,649 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:20,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:20,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:20,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:20,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:20,651 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:20,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-13 21:56:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:21,256 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:21,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:21,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:21,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (280)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:21,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:21,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:21,511 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:21,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:21,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:21,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:21,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:21,513 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:21,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-13 21:56:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:22,163 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:22,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:22,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:22,421 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:22,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-11-13 21:56:22,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:22,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:22,433 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:22,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:22,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:22,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:22,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:22,435 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:22,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-13 21:56:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:23,042 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:23,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:23,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:23,303 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:23,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-13 21:56:23,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:23,320 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:23,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:23,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:23,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:23,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:23,323 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:23,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-13 21:56:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:24,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:24,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:24,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:24,429 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:24,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-11-13 21:56:24,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:24,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:24,447 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:24,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:24,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:24,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:24,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:24,453 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:24,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-13 21:56:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:25,139 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:25,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:25,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:25,392 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:25,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-11-13 21:56:25,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:25,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:25,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:25,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:25,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:25,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:25,408 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:25,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-13 21:56:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:26,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:26,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:26,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:26,308 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:26,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-11-13 21:56:26,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:26,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:26,321 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:26,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:26,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:26,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:26,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:26,323 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:26,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-13 21:56:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:26,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:26,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:26,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:27,259 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:27,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-13 21:56:27,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:27,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:27,273 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:27,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:27,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:27,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:27,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:27,274 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:27,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-13 21:56:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:27,931 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:27,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:27,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:28,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-11-13 21:56:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:28,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:28,168 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:28,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:28,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:28,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:28,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:28,171 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:28,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-13 21:56:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:28,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:28,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:28,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:29,057 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:29,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-13 21:56:29,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:29,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:29,070 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:29,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:29,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:29,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:29,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:29,072 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:29,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-13 21:56:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:29,775 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:29,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:29,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:30,025 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:30,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-13 21:56:30,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:30,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:30,037 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:30,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:30,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:30,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:30,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:30,038 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:30,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-13 21:56:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:30,659 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:30,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:30,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:30,888 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:30,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-13 21:56:30,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:30,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:30,902 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:30,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:30,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:30,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:30,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:30,903 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:30,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-13 21:56:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:31,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:31,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:31,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:31,755 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:31,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-11-13 21:56:31,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:31,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:31,767 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:31,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:31,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:31,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:31,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:31,769 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:31,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-13 21:56:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:32,408 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:32,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:32,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:32,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-11-13 21:56:32,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:32,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:32,618 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:32,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:32,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:32,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:32,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:32,620 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:32,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-13 21:56:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:33,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:33,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:33,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:33,545 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:33,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-11-13 21:56:33,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:33,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:33,557 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:33,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:33,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:33,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:33,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:33,559 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:33,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-13 21:56:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:34,189 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:34,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:34,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:34,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-11-13 21:56:34,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:34,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:34,421 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:34,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:34,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:34,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:34,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:34,423 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:34,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-13 21:56:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:35,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:35,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:35,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:35,292 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:35,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-13 21:56:35,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:35,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:35,305 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:35,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:35,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:35,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:35,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:35,307 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:35,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-13 21:56:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:35,938 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:35,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:35,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:36,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:36,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-13 21:56:36,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:36,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:36,181 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:36,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:36,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:36,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:36,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:36,183 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:36,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-13 21:56:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:36,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:36,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:36,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:37,085 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:37,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (297)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:37,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:37,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:37,099 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:37,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:37,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:37,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:37,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:37,100 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:37,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-13 21:56:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:37,773 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:37,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:37,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:38,010 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:38,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-11-13 21:56:38,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:38,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:38,024 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:38,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:38,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:38,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:38,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:38,025 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:38,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-13 21:56:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:38,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:38,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:38,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:38,912 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:38,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-11-13 21:56:38,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:38,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:38,933 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:38,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:38,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:38,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:38,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:38,935 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:38,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-13 21:56:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:39,661 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:39,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:39,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:40,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-11-13 21:56:40,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:40,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:40,021 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:40,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:40,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:40,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:40,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:40,023 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:40,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-13 21:56:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:40,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:40,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:40,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:40,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:40,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (301)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:40,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:40,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:40,935 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:40,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:40,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:40,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:40,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:40,937 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:40,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-13 21:56:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:41,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:41,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:41,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:41,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:41,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (302)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:41,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:41,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:41,807 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:41,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:41,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:41,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:41,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:41,809 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:41,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-13 21:56:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:42,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:42,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:42,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:42,700 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:42,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (303)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:42,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:42,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:42,713 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:42,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:42,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:42,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:42,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:42,715 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:42,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-13 21:56:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:43,370 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:43,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:43,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:43,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (304)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:43,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:43,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:43,632 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:43,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:43,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:43,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:43,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:43,634 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:43,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-13 21:56:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:44,289 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:44,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:44,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:44,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:44,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-11-13 21:56:44,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:44,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:44,498 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:44,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:44,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:44,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:44,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:44,500 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:44,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-13 21:56:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:45,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:45,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:45,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:45,394 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:45,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-11-13 21:56:45,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:45,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:45,407 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:45,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:45,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:45,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:45,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:45,409 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:45,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-13 21:56:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:46,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:46,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:46,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:46,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-11-13 21:56:46,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:46,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:46,279 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:46,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:46,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:46,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:46,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:46,280 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:46,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-13 21:56:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:46,931 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:46,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:46,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:47,208 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:47,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-11-13 21:56:47,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:47,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:47,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:47,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:47,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:47,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:47,223 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:47,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-13 21:56:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:47,872 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:47,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:47,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:48,118 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:48,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-11-13 21:56:48,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:48,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:48,138 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:48,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:48,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:48,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:48,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:48,140 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:48,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-13 21:56:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:48,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:48,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:48,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:49,149 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:49,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-13 21:56:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:49,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:49,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:49,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:49,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:49,163 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:49,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-13 21:56:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:49,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:49,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:49,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:50,104 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:50,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-13 21:56:50,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:50,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:50,117 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:50,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:50,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:50,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:50,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:50,119 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:50,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-13 21:56:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:50,784 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:50,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:50,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:51,016 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:51,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-11-13 21:56:51,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:51,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:51,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:51,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:51,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:51,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:51,031 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:51,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-13 21:56:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:51,694 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:51,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:51,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:51,915 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:51,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (313)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:51,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:51,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:51,929 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:51,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:51,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:51,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:51,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:51,933 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:51,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-13 21:56:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:52,594 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:52,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:52,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:52,853 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:52,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-11-13 21:56:52,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:52,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:52,867 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:52,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:52,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:52,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:52,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:52,869 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:52,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-13 21:56:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:53,531 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:53,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:53,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:53,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:53,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-13 21:56:53,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:53,793 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:53,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:53,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:53,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:53,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:53,794 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:53,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-13 21:56:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:54,460 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:54,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:54,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:54,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-13 21:56:54,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:54,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:54,686 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:54,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:54,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:54,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:54,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:54,688 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:54,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-13 21:56:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:55,356 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:55,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:55,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:55,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:55,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-11-13 21:56:55,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:55,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:55,620 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:55,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:55,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:55,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:55,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:55,622 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:55,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-13 21:56:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:56,286 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:56,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:56,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:56,518 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:56,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (318)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:56,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:56,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:56,532 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:56,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:56,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:56,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:56,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:56,534 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:56,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-13 21:56:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:57,193 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:57,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:57,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:57,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-11-13 21:56:57,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:57,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:57,483 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:57,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:57,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:57,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:57,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:57,487 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:57,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-13 21:56:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:58,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:58,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:58,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:58,352 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:58,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-13 21:56:58,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:58,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:58,365 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:58,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:58,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:58,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:58,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:58,366 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:58,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-13 21:56:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:59,021 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:59,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:59,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:59,231 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:56:59,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-11-13 21:56:59,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:59,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:56:59,244 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:56:59,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:59,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:59,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:59,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:59,248 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:59,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-13 21:56:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:59,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:59,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:56:59,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:00,200 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:00,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-11-13 21:57:00,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:00,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:00,219 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:00,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:00,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:00,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:00,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:00,221 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:00,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-13 21:57:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:00,882 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:00,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:00,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:01,100 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:01,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-11-13 21:57:01,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:01,111 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:01,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:01,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:01,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:01,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:01,113 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:01,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-13 21:57:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:01,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:01,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:01,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:02,007 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:02,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (324)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:02,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:02,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:02,021 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:02,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:02,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:02,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:02,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:02,023 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:02,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-13 21:57:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:02,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:02,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:02,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:02,923 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:02,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-11-13 21:57:02,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:02,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:02,936 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:02,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:02,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:02,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:02,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:02,938 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:02,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-13 21:57:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:03,612 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:03,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:03,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:03,884 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:03,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (326)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:03,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:03,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:03,896 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:03,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:03,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:03,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:03,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:03,900 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:03,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-13 21:57:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:04,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:04,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:04,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:04,804 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:04,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-11-13 21:57:04,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:04,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:04,817 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:04,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:04,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:04,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:04,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:04,819 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:04,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-13 21:57:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:05,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:05,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 21:57:05,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:05,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-13 21:57:05,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:05,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:05,807 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:05,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:05,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:05,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:05,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:05,809 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:05,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-13 21:57:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:06,531 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:06,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:06,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:06,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-11-13 21:57:06,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:06,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:06,836 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:06,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:06,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:06,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:06,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:06,837 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:06,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-13 21:57:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:07,521 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:07,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:07,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:07,722 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:07,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (330)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:07,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:07,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:07,734 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:07,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:07,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:07,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:07,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:07,736 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:07,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-13 21:57:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:08,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:08,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:08,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:08,629 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:08,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-11-13 21:57:08,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:08,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:08,642 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:08,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:08,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:08,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:08,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:08,645 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:08,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-13 21:57:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:09,326 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:09,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:09,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:09,705 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:09,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-13 21:57:09,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:09,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:09,722 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:09,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:09,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:09,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:09,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:09,729 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:09,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-13 21:57:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:10,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:10,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:10,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:10,664 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:10,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (333)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:10,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:10,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:10,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:10,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:10,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:10,678 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:10,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-13 21:57:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:11,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:11,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:11,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:11,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-13 21:57:11,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:11,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:11,592 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:11,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:11,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:11,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:11,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:11,593 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:11,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-13 21:57:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:12,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:12,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:12,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:12,530 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:12,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-11-13 21:57:12,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:12,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:12,542 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:12,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:12,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:12,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:12,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:12,544 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:12,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-13 21:57:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:13,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:13,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:13,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:13,453 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:13,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-13 21:57:13,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:13,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:13,466 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:13,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:13,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:13,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:13,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:13,467 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:13,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-13 21:57:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:14,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:14,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:14,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:14,380 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:14,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-11-13 21:57:14,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:14,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:14,397 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:14,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:14,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:14,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:14,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:14,399 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:14,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-13 21:57:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:15,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:15,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:15,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:15,281 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:15,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-13 21:57:15,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:15,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:15,293 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:15,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:15,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:15,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:15,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:15,295 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:15,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-13 21:57:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:15,999 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:16,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:16,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:16,274 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:16,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-11-13 21:57:16,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:16,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:16,287 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:16,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:16,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:16,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:16,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:16,291 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:16,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-13 21:57:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:17,010 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:17,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:17,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:17,275 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:17,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-11-13 21:57:17,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:17,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:17,287 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:17,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:17,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:17,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:17,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:17,289 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:17,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-13 21:57:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:17,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:18,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:18,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:18,204 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:18,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-11-13 21:57:18,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:18,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:18,217 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:18,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:18,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:18,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:18,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:18,219 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:18,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-13 21:57:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:18,924 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:18,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:18,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:19,174 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:19,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (342)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:19,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:19,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:19,187 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:19,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:19,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:19,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:19,188 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:19,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-13 21:57:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:19,921 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:19,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:19,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:20,159 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:20,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-11-13 21:57:20,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:20,172 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:20,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:20,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:20,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:20,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:20,174 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:20,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-13 21:57:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:20,875 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:20,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:20,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:21,073 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:21,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-11-13 21:57:21,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:21,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:21,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:21,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:21,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:21,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:21,088 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:21,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-13 21:57:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:21,787 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:21,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:21,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:22,030 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:22,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (345)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:22,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:22,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:22,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:22,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:22,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:22,051 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:22,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-13 21:57:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:22,758 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:22,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 21:57:22,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:23,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (346)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:23,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:23,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:23,022 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:23,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:23,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:23,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:23,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:23,028 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:23,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-13 21:57:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:23,737 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:23,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:23,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:23,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:23,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-11-13 21:57:23,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:23,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:23,994 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:23,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:23,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:23,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:23,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:23,996 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:23,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-13 21:57:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:24,695 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:24,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:24,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:24,928 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:24,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-11-13 21:57:24,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:24,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:24,941 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:24,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:24,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:24,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:24,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:24,942 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:24,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-13 21:57:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:25,640 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:25,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:25,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:25,837 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:25,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2024-11-13 21:57:25,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:25,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:25,849 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:25,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:25,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:25,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:25,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:25,851 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:25,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-13 21:57:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:26,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:26,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:26,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:26,791 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:26,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-11-13 21:57:26,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:26,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:26,805 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:26,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:26,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:26,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:26,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:26,807 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:26,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-13 21:57:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:27,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:27,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:27,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:27,776 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:27,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (351)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:27,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:27,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:27,791 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:27,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:27,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:27,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:27,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:27,792 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:27,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-13 21:57:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:28,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:28,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:28,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:28,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:28,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-11-13 21:57:28,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:28,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:28,751 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:28,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:28,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:28,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:28,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:28,753 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:28,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-13 21:57:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:29,451 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:29,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:29,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:29,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:29,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-11-13 21:57:29,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:29,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:29,704 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:29,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:29,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:29,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:29,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:29,706 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:29,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-13 21:57:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:30,495 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:30,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:30,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:30,709 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:30,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-11-13 21:57:30,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:30,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:30,727 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:30,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:30,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:30,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:30,729 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:30,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-13 21:57:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:31,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:31,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:31,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:31,827 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:31,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-11-13 21:57:31,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:31,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:31,840 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:31,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:31,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:31,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:31,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:31,842 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:31,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-13 21:57:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:32,692 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:32,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:32,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:33,006 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:33,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (356)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:33,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:33,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:33,020 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:33,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:33,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:33,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:33,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:33,022 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:33,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-13 21:57:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:33,789 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:33,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:33,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:33,986 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:33,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-11-13 21:57:34,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:34,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:34,000 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:34,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:34,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:34,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:34,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:34,002 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:34,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-13 21:57:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:34,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:34,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:34,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:34,963 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:34,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2024-11-13 21:57:34,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:34,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:34,977 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:34,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:34,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:34,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:34,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:34,979 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:34,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-13 21:57:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:35,719 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:35,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:35,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:35,977 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:35,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-11-13 21:57:35,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:35,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:35,989 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:35,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:35,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:35,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:35,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:35,990 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:35,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-13 21:57:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:36,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:36,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:36,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:36,963 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:36,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-11-13 21:57:36,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:36,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:36,976 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:36,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:36,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:36,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:36,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:36,978 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:36,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-13 21:57:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:37,699 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:37,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:37,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:37,939 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:37,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-11-13 21:57:37,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:37,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:37,953 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:37,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:37,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:37,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:37,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:37,955 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:37,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-13 21:57:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:38,684 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:38,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:38,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:38,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-11-13 21:57:38,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:38,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:38,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:38,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:38,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:38,941 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:38,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-13 21:57:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:39,673 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:39,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:39,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:39,887 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:39,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-11-13 21:57:39,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:39,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:39,901 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:39,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:39,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:39,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:39,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:39,903 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:39,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-13 21:57:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:40,651 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:40,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:40,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:40,913 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:40,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (364)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:40,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:40,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:40,926 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:40,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:40,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:40,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:40,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:40,928 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:40,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-13 21:57:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:41,662 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:41,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:41,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:41,917 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:41,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-11-13 21:57:41,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:41,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:41,933 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:41,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:41,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:41,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:41,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:41,936 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:41,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-13 21:57:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:42,748 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:42,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:57:42,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:42,895 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:42,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-11-13 21:57:42,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:42,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:42,909 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:42,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:42,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:42,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:42,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:42,912 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:42,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-13 21:57:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:43,659 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:43,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:43,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:43,890 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:43,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (367)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:43,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:43,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:43,905 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:43,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:43,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:43,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:43,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:43,907 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:43,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-13 21:57:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:44,639 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:44,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:44,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:44,861 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:44,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (368)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:44,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:44,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:44,873 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:44,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:44,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:44,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:44,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:44,875 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:44,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-11-13 21:57:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:45,618 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:45,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:45,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:45,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (369)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:45,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:45,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:45,814 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:45,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:45,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:45,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:45,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:45,816 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:45,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-11-13 21:57:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:46,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:46,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:46,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:46,839 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:46,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-11-13 21:57:46,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:46,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:46,853 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:46,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:46,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:46,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:46,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:46,856 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:46,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-11-13 21:57:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:47,600 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:47,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:47,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:47,857 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:47,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2024-11-13 21:57:47,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:47,870 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:47,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:47,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:47,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:47,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:47,872 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:47,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-11-13 21:57:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:48,628 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:48,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:48,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:48,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (372)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:48,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:48,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:48,897 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:48,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:48,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:48,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:48,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:48,899 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:48,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-11-13 21:57:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:49,730 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:49,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:49,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:50,011 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:50,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-11-13 21:57:50,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:50,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:50,026 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:50,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:50,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:50,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:50,028 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:50,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-11-13 21:57:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:50,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:50,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:50,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:51,009 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:51,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 [2024-11-13 21:57:51,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:51,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:51,023 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:51,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:51,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:51,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:51,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:51,025 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:51,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-11-13 21:57:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:51,768 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:51,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:51,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:51,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (375)] Ended with exit code 0 [2024-11-13 21:57:52,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:52,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:52,004 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:52,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:52,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:52,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:52,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:52,006 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:52,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2024-11-13 21:57:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:52,753 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:52,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:52,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:53,027 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:53,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (376)] Ended with exit code 0 [2024-11-13 21:57:53,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:53,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:53,041 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:53,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:53,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:53,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:53,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:53,042 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:53,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (377)] Waiting until timeout for monitored process [2024-11-13 21:57:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:53,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:53,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:53,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:54,051 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:54,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (377)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:54,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:54,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:54,065 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:54,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:54,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:54,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:54,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:54,067 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:54,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (378)] Waiting until timeout for monitored process [2024-11-13 21:57:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:54,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:54,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:54,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:55,111 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:55,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (378)] Ended with exit code 0 [2024-11-13 21:57:55,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:55,125 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:55,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:55,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:55,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:55,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:55,132 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:55,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (379)] Waiting until timeout for monitored process [2024-11-13 21:57:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:55,896 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:55,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:55,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:56,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (379)] Ended with exit code 0 [2024-11-13 21:57:56,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:56,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:56,166 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:56,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:56,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:56,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:56,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:56,168 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:56,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (380)] Waiting until timeout for monitored process [2024-11-13 21:57:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:56,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:56,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:56,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:57,223 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:57,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (380)] Ended with exit code 0 [2024-11-13 21:57:57,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:57,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:57,236 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:57,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:57,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:57,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:57,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:57,237 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:57,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (381)] Waiting until timeout for monitored process [2024-11-13 21:57:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:57,998 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:58,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:58,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:58,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (381)] Ended with exit code 0 [2024-11-13 21:57:58,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:58,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:58,248 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:58,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:58,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:58,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:58,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:58,250 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:58,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (382)] Waiting until timeout for monitored process [2024-11-13 21:57:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:59,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:59,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:57:59,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:59,244 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:57:59,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (382)] Ended with exit code 0 [2024-11-13 21:57:59,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:59,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:57:59,264 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:57:59,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:57:59,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:59,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:59,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:59,267 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:59,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (383)] Waiting until timeout for monitored process [2024-11-13 21:58:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:00,091 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:00,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:00,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:00,337 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:00,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (383)] Ended with exit code 0 [2024-11-13 21:58:00,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:00,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:00,351 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:00,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:00,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:00,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:00,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:00,354 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:00,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (384)] Waiting until timeout for monitored process [2024-11-13 21:58:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:01,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:01,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:01,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:01,345 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:01,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (384)] Forceful destruction successful, exit code 0 [2024-11-13 21:58:01,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:01,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:01,360 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:01,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:01,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:01,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:01,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:01,364 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:01,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (385)] Waiting until timeout for monitored process [2024-11-13 21:58:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:02,130 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:02,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:02,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:02,406 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:02,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (385)] Forceful destruction successful, exit code 0 [2024-11-13 21:58:02,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:02,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:02,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:02,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:02,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:02,429 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:02,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (386)] Waiting until timeout for monitored process [2024-11-13 21:58:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:03,203 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:03,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:03,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:03,456 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:03,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (386)] Ended with exit code 0 [2024-11-13 21:58:03,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:03,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:03,470 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:03,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:03,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:03,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:03,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:03,474 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:03,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (387)] Waiting until timeout for monitored process [2024-11-13 21:58:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:04,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:04,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:04,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:04,521 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:04,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (387)] Ended with exit code 0 [2024-11-13 21:58:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:04,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:04,535 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:04,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:04,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:04,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:04,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:04,537 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:04,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (388)] Waiting until timeout for monitored process [2024-11-13 21:58:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:05,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:05,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:05,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:05,555 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:05,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (388)] Ended with exit code 0 [2024-11-13 21:58:05,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:05,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:05,568 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:05,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:05,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:05,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:05,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:05,570 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:05,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (389)] Waiting until timeout for monitored process [2024-11-13 21:58:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:06,341 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:06,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:06,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:06,605 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:06,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (389)] Ended with exit code 0 [2024-11-13 21:58:06,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:06,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:06,618 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:06,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:06,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:06,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:06,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:06,620 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:06,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (390)] Waiting until timeout for monitored process [2024-11-13 21:58:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:07,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:07,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:07,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:07,627 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:07,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (390)] Ended with exit code 0 [2024-11-13 21:58:07,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:07,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:07,640 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:07,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:07,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:07,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:07,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:07,641 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:07,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (391)] Waiting until timeout for monitored process [2024-11-13 21:58:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:08,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:08,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:08,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:08,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (391)] Ended with exit code 0 [2024-11-13 21:58:08,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:08,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:08,654 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:08,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:08,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:08,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:08,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:08,655 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:08,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (392)] Waiting until timeout for monitored process [2024-11-13 21:58:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:09,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:09,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:09,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:09,755 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:09,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (392)] Ended with exit code 0 [2024-11-13 21:58:09,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:09,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:09,768 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:09,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:09,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:09,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:09,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:09,769 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:09,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (393)] Waiting until timeout for monitored process [2024-11-13 21:58:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:10,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:10,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:10,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:10,790 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:10,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (393)] Ended with exit code 0 [2024-11-13 21:58:10,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:10,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:10,804 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:10,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:10,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:10,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:10,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:10,806 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:10,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (394)] Waiting until timeout for monitored process [2024-11-13 21:58:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:11,577 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:11,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:11,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:11,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (394)] Ended with exit code 0 [2024-11-13 21:58:11,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:11,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:11,835 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:11,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:11,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:11,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:11,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:11,837 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:11,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (395)] Waiting until timeout for monitored process [2024-11-13 21:58:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:12,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:12,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:12,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:12,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (395)] Ended with exit code 0 [2024-11-13 21:58:12,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:12,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:12,868 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:12,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:12,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:12,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:12,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:12,871 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:12,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (396)] Waiting until timeout for monitored process [2024-11-13 21:58:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:13,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:13,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:13,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:13,944 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:13,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (396)] Forceful destruction successful, exit code 0 [2024-11-13 21:58:13,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:13,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:13,957 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:13,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:13,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:13,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:13,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:13,959 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:13,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (397)] Waiting until timeout for monitored process [2024-11-13 21:58:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:14,739 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:14,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:14,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:14,990 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:14,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (397)] Ended with exit code 0 [2024-11-13 21:58:15,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:15,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:15,004 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:15,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:15,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:15,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:15,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:15,006 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:15,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (398)] Waiting until timeout for monitored process [2024-11-13 21:58:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:15,789 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:15,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:15,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:16,057 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:16,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (398)] Ended with exit code 0 [2024-11-13 21:58:16,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:16,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:16,070 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:16,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:16,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:16,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:16,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:16,071 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:16,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (399)] Waiting until timeout for monitored process [2024-11-13 21:58:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:16,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:16,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:16,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:17,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (399)] Ended with exit code 0 [2024-11-13 21:58:17,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:17,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:17,085 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:17,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:17,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:17,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:17,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:17,087 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:17,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (400)] Waiting until timeout for monitored process [2024-11-13 21:58:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:17,870 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:17,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:17,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:18,127 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:18,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (400)] Ended with exit code 0 [2024-11-13 21:58:18,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:18,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:18,142 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:18,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:18,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:18,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:18,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:18,143 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:18,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (401)] Waiting until timeout for monitored process [2024-11-13 21:58:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:18,936 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:18,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:18,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:19,182 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:19,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (401)] Ended with exit code 0 [2024-11-13 21:58:19,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:19,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:19,195 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:19,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:19,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:19,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:19,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:19,197 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:19,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (402)] Waiting until timeout for monitored process [2024-11-13 21:58:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:20,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:20,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:20,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:20,303 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:20,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (402)] Ended with exit code 0 [2024-11-13 21:58:20,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:20,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:20,317 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:20,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:20,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:20,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:20,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:20,319 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:20,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (403)] Waiting until timeout for monitored process [2024-11-13 21:58:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:21,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:21,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:21,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:21,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (403)] Ended with exit code 0 [2024-11-13 21:58:21,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:21,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:21,342 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:21,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:21,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:21,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:21,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:21,344 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:21,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (404)] Waiting until timeout for monitored process [2024-11-13 21:58:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:22,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:22,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:22,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:22,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:22,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (404)] Ended with exit code 0 [2024-11-13 21:58:22,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:22,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:22,381 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:22,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:22,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:22,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:22,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:22,383 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:22,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (405)] Waiting until timeout for monitored process [2024-11-13 21:58:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:23,160 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:23,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:23,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:23,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (405)] Ended with exit code 0 [2024-11-13 21:58:23,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:23,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:23,386 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:23,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:23,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:23,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:23,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:23,387 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:23,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (406)] Waiting until timeout for monitored process [2024-11-13 21:58:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:24,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:24,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:24,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:24,439 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:24,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (406)] Ended with exit code 0 [2024-11-13 21:58:24,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:24,460 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:24,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:24,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:24,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:24,462 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:24,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (407)] Waiting until timeout for monitored process [2024-11-13 21:58:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:25,259 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:25,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:25,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:25,486 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:25,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (407)] Ended with exit code 0 [2024-11-13 21:58:25,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:25,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:25,500 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:25,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:25,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:25,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:25,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:25,502 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:25,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (408)] Waiting until timeout for monitored process [2024-11-13 21:58:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:26,303 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:26,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:26,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:26,523 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:26,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (408)] Ended with exit code 0 [2024-11-13 21:58:26,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:26,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:26,537 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:26,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:26,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:26,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:26,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:26,539 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:26,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (409)] Waiting until timeout for monitored process [2024-11-13 21:58:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:27,340 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:27,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:27,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:27,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (409)] Ended with exit code 0 [2024-11-13 21:58:27,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:27,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:27,614 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:27,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:27,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:27,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:27,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:27,615 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:27,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (410)] Waiting until timeout for monitored process [2024-11-13 21:58:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:28,419 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:28,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:28,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:28,710 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:28,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (410)] Ended with exit code 0 [2024-11-13 21:58:28,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:28,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:28,725 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:28,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:28,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:28,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:28,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:28,727 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:28,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (411)] Waiting until timeout for monitored process [2024-11-13 21:58:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:29,597 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:29,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:29,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:29,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:29,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (411)] Ended with exit code 0 [2024-11-13 21:58:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:29,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:29,936 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:29,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:29,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:29,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:29,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:29,938 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:29,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (412)] Waiting until timeout for monitored process [2024-11-13 21:58:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:30,741 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:30,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:30,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:30,985 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:30,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (412)] Ended with exit code 0 [2024-11-13 21:58:30,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:31,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:31,000 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:31,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:31,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:31,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:31,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:31,002 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:31,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (413)] Waiting until timeout for monitored process [2024-11-13 21:58:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:31,808 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:31,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:31,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:32,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (413)] Ended with exit code 0 [2024-11-13 21:58:32,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:32,024 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:32,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:32,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:32,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:32,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:32,026 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:32,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (414)] Waiting until timeout for monitored process [2024-11-13 21:58:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:32,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:32,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:32,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:33,061 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:33,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (414)] Ended with exit code 0 [2024-11-13 21:58:33,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:33,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:33,076 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:33,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:33,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:33,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:33,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:33,078 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:33,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (415)] Waiting until timeout for monitored process [2024-11-13 21:58:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:33,883 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:33,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:33,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:34,149 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:34,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (415)] Ended with exit code 0 [2024-11-13 21:58:34,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:34,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:34,164 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:34,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:34,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:34,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:34,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:34,166 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:34,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (416)] Waiting until timeout for monitored process [2024-11-13 21:58:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:34,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:34,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:34,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:35,188 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:35,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (416)] Ended with exit code 0 [2024-11-13 21:58:35,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:35,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:35,202 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:35,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:35,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:35,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:35,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:35,204 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:35,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (417)] Waiting until timeout for monitored process [2024-11-13 21:58:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:36,009 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:36,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:36,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:36,212 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:36,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (417)] Ended with exit code 0 [2024-11-13 21:58:36,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:36,225 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:36,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:36,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:36,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:36,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:36,226 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:36,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (418)] Waiting until timeout for monitored process [2024-11-13 21:58:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:37,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:37,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:37,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:37,329 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:37,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (418)] Ended with exit code 0 [2024-11-13 21:58:37,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:37,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:37,342 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:37,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:37,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:37,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:37,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:37,343 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:37,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (419)] Waiting until timeout for monitored process [2024-11-13 21:58:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:38,162 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:38,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:38,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:38,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:38,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (419)] Ended with exit code 0 [2024-11-13 21:58:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:38,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:38,397 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:38,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:38,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:38,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:38,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:38,398 INFO L229 MonitoredProcess]: Starting monitored process 420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:38,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (420)] Waiting until timeout for monitored process [2024-11-13 21:58:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:39,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:39,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:39,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:39,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (420)] Ended with exit code 0 [2024-11-13 21:58:39,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:39,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:39,568 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:39,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:39,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:39,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:39,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:39,571 INFO L229 MonitoredProcess]: Starting monitored process 421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:39,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (421)] Waiting until timeout for monitored process [2024-11-13 21:58:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:40,416 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:40,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:40,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:40,653 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:40,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (421)] Ended with exit code 0 [2024-11-13 21:58:40,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:40,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:40,667 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:40,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:40,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:40,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:40,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:40,668 INFO L229 MonitoredProcess]: Starting monitored process 422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:40,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (422)] Waiting until timeout for monitored process [2024-11-13 21:58:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:41,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:41,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:41,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:41,729 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:41,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (422)] Ended with exit code 0 [2024-11-13 21:58:41,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:41,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:41,743 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:41,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:41,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:41,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:41,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:41,745 INFO L229 MonitoredProcess]: Starting monitored process 423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:41,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (423)] Waiting until timeout for monitored process [2024-11-13 21:58:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:42,568 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:42,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:42,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:42,817 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:42,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (423)] Ended with exit code 0 [2024-11-13 21:58:42,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:42,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:42,831 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:42,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:42,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:42,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:42,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:42,832 INFO L229 MonitoredProcess]: Starting monitored process 424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:42,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (424)] Waiting until timeout for monitored process [2024-11-13 21:58:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:43,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:43,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:43,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:43,889 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:43,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (424)] Ended with exit code 0 [2024-11-13 21:58:43,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:43,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:43,904 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:43,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:43,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:43,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:43,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:43,906 INFO L229 MonitoredProcess]: Starting monitored process 425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:43,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (425)] Waiting until timeout for monitored process [2024-11-13 21:58:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:44,735 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:44,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:44,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:44,979 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:44,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (425)] Ended with exit code 0 [2024-11-13 21:58:44,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:44,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:44,993 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:44,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:44,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:44,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:44,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:44,994 INFO L229 MonitoredProcess]: Starting monitored process 426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:44,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (426)] Waiting until timeout for monitored process [2024-11-13 21:58:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:45,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:45,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:45,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:46,078 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:46,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (426)] Ended with exit code 0 [2024-11-13 21:58:46,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:46,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:46,093 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:46,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:46,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:46,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:46,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:46,095 INFO L229 MonitoredProcess]: Starting monitored process 427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:46,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (427)] Waiting until timeout for monitored process [2024-11-13 21:58:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:46,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:46,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:46,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:47,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (427)] Ended with exit code 0 [2024-11-13 21:58:47,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:47,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:47,205 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:47,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:47,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:47,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:47,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:47,206 INFO L229 MonitoredProcess]: Starting monitored process 428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:47,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (428)] Waiting until timeout for monitored process [2024-11-13 21:58:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:48,044 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:48,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:48,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:48,265 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:48,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (428)] Ended with exit code 0 [2024-11-13 21:58:48,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:48,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:48,283 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:48,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:48,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:48,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:48,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:48,285 INFO L229 MonitoredProcess]: Starting monitored process 429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:48,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (429)] Waiting until timeout for monitored process [2024-11-13 21:58:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:49,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:49,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:49,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:49,346 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:49,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (429)] Ended with exit code 0 [2024-11-13 21:58:49,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:49,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:49,362 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:49,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:49,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:49,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:49,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:49,364 INFO L229 MonitoredProcess]: Starting monitored process 430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:49,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (430)] Waiting until timeout for monitored process [2024-11-13 21:58:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:50,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:50,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:50,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:50,530 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:50,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (430)] Ended with exit code 0 [2024-11-13 21:58:50,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:50,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:50,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:50,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:50,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:50,550 INFO L229 MonitoredProcess]: Starting monitored process 431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:50,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (431)] Waiting until timeout for monitored process [2024-11-13 21:58:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:51,382 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:51,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:51,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:51,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (431)] Ended with exit code 0 [2024-11-13 21:58:51,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:51,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:51,643 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:51,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:51,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:51,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:51,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:51,645 INFO L229 MonitoredProcess]: Starting monitored process 432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:51,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (432)] Waiting until timeout for monitored process [2024-11-13 21:58:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:52,495 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:52,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:52,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:52,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (432)] Ended with exit code 0 [2024-11-13 21:58:52,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:52,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:52,751 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:52,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:52,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:52,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:52,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:52,752 INFO L229 MonitoredProcess]: Starting monitored process 433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:52,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (433)] Waiting until timeout for monitored process [2024-11-13 21:58:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:53,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:53,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:53,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:53,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (433)] Ended with exit code 0 [2024-11-13 21:58:53,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:53,795 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:53,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:53,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:53,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:53,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:53,797 INFO L229 MonitoredProcess]: Starting monitored process 434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:53,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (434)] Waiting until timeout for monitored process [2024-11-13 21:58:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:54,630 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:54,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:54,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:54,839 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:54,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (434)] Ended with exit code 0 [2024-11-13 21:58:54,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:54,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:54,855 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:54,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:54,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:54,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:54,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:54,857 INFO L229 MonitoredProcess]: Starting monitored process 435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:54,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (435)] Waiting until timeout for monitored process [2024-11-13 21:58:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:55,703 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:55,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:55,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:55,978 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:55,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (435)] Ended with exit code 0 [2024-11-13 21:58:55,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:55,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:55,996 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:55,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:55,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:55,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:55,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:55,998 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:55,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (436)] Waiting until timeout for monitored process [2024-11-13 21:58:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:56,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:56,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:56,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:57,078 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:57,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (436)] Ended with exit code 0 [2024-11-13 21:58:57,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:57,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:57,096 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:57,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:57,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:57,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:57,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:57,098 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:57,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (437)] Waiting until timeout for monitored process [2024-11-13 21:58:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:57,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:57,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:57,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:58,167 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:58,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (437)] Ended with exit code 0 [2024-11-13 21:58:58,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:58,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:58,185 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:58,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:58,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:58,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:58,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:58,187 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:58,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (438)] Waiting until timeout for monitored process [2024-11-13 21:58:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:59,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:59,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:58:59,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:59,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:58:59,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (438)] Ended with exit code 0 [2024-11-13 21:58:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:59,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:58:59,263 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:58:59,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:58:59,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:59,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:59,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:59,265 INFO L229 MonitoredProcess]: Starting monitored process 439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:59,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (439)] Waiting until timeout for monitored process [2024-11-13 21:59:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:00,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:00,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:00,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:00,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:00,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (439)] Ended with exit code 0 [2024-11-13 21:59:00,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:00,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:00,388 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:00,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:00,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:00,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:00,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:00,390 INFO L229 MonitoredProcess]: Starting monitored process 440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:00,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (440)] Waiting until timeout for monitored process [2024-11-13 21:59:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:01,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:01,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:01,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:01,503 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:01,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (440)] Ended with exit code 0 [2024-11-13 21:59:01,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:01,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:01,522 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:01,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:01,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:01,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:01,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:01,524 INFO L229 MonitoredProcess]: Starting monitored process 441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:01,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (441)] Waiting until timeout for monitored process [2024-11-13 21:59:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:02,389 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:02,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:02,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:02,641 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:02,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (441)] Ended with exit code 0 [2024-11-13 21:59:02,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:02,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:02,660 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:02,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:02,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:02,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:02,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:02,662 INFO L229 MonitoredProcess]: Starting monitored process 442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:02,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (442)] Waiting until timeout for monitored process [2024-11-13 21:59:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:03,528 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:03,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:03,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:03,711 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:03,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (442)] Ended with exit code 0 [2024-11-13 21:59:03,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:03,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:03,728 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:03,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:03,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:03,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:03,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:03,730 INFO L229 MonitoredProcess]: Starting monitored process 443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:03,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (443)] Waiting until timeout for monitored process [2024-11-13 21:59:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:04,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:04,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:04,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:04,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (443)] Ended with exit code 0 [2024-11-13 21:59:04,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:04,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:04,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:04,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:04,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:04,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:04,833 INFO L229 MonitoredProcess]: Starting monitored process 444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:04,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (444)] Waiting until timeout for monitored process [2024-11-13 21:59:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:05,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:05,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:05,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:06,014 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:06,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (444)] Ended with exit code 0 [2024-11-13 21:59:06,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:06,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:06,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:06,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:06,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:06,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:06,043 INFO L229 MonitoredProcess]: Starting monitored process 445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:06,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (445)] Waiting until timeout for monitored process [2024-11-13 21:59:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:06,926 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:06,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:06,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:07,190 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:07,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (445)] Ended with exit code 0 [2024-11-13 21:59:07,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:07,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:07,207 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:07,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:07,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:07,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:07,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:07,209 INFO L229 MonitoredProcess]: Starting monitored process 446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:07,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (446)] Waiting until timeout for monitored process [2024-11-13 21:59:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:08,143 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:08,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:08,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:08,509 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:08,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (446)] Ended with exit code 0 [2024-11-13 21:59:08,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:08,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:08,527 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:08,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:08,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:08,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:08,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:08,529 INFO L229 MonitoredProcess]: Starting monitored process 447 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:08,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (447)] Waiting until timeout for monitored process [2024-11-13 21:59:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:09,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:09,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:09,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:09,732 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:09,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (447)] Ended with exit code 0 [2024-11-13 21:59:09,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:09,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:09,761 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:09,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:09,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:09,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:09,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:09,764 INFO L229 MonitoredProcess]: Starting monitored process 448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:09,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (448)] Waiting until timeout for monitored process [2024-11-13 21:59:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:10,757 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:10,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:10,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:11,108 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:11,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (448)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:11,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:11,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:11,126 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:11,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:11,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:11,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:11,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:11,128 INFO L229 MonitoredProcess]: Starting monitored process 449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:11,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (449)] Waiting until timeout for monitored process [2024-11-13 21:59:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:12,208 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:12,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:12,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:12,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (449)] Ended with exit code 0 [2024-11-13 21:59:12,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:12,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:12,506 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:12,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:12,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:12,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:12,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:12,508 INFO L229 MonitoredProcess]: Starting monitored process 450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:12,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (450)] Waiting until timeout for monitored process [2024-11-13 21:59:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:13,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:13,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:13,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:13,801 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:13,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (450)] Ended with exit code 0 [2024-11-13 21:59:13,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:13,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:13,824 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:13,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:13,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:13,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:13,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:13,826 INFO L229 MonitoredProcess]: Starting monitored process 451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:13,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (451)] Waiting until timeout for monitored process [2024-11-13 21:59:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:14,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:14,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:14,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:15,020 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:15,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (451)] Ended with exit code 0 [2024-11-13 21:59:15,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:15,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:15,038 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:15,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:15,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:15,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:15,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:15,040 INFO L229 MonitoredProcess]: Starting monitored process 452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:15,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (452)] Waiting until timeout for monitored process [2024-11-13 21:59:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:16,068 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:16,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:16,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:16,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:16,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (452)] Ended with exit code 0 [2024-11-13 21:59:16,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:16,484 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:16,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:16,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:16,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:16,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:16,486 INFO L229 MonitoredProcess]: Starting monitored process 453 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:16,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (453)] Waiting until timeout for monitored process [2024-11-13 21:59:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:17,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:17,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:17,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:17,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (453)] Ended with exit code 0 [2024-11-13 21:59:17,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:17,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:17,616 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:17,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:17,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:17,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:17,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:17,617 INFO L229 MonitoredProcess]: Starting monitored process 454 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:17,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (454)] Waiting until timeout for monitored process [2024-11-13 21:59:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:18,498 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:18,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:18,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:18,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:18,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (454)] Ended with exit code 0 [2024-11-13 21:59:18,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:18,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:18,776 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:18,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:18,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:18,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:18,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:18,778 INFO L229 MonitoredProcess]: Starting monitored process 455 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:18,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (455)] Waiting until timeout for monitored process [2024-11-13 21:59:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:19,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:19,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:19,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:19,900 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:19,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (455)] Ended with exit code 0 [2024-11-13 21:59:19,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:19,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:19,920 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:19,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:19,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:19,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:19,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:19,922 INFO L229 MonitoredProcess]: Starting monitored process 456 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:19,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (456)] Waiting until timeout for monitored process [2024-11-13 21:59:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:20,941 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:20,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:20,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:21,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:21,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (456)] Ended with exit code 0 [2024-11-13 21:59:21,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:21,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:21,193 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:21,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:21,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:21,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:21,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:21,195 INFO L229 MonitoredProcess]: Starting monitored process 457 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:21,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (457)] Waiting until timeout for monitored process [2024-11-13 21:59:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:22,070 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:22,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:22,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:22,314 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:22,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (457)] Ended with exit code 0 [2024-11-13 21:59:22,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:22,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:22,332 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:22,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:22,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:22,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:22,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:22,334 INFO L229 MonitoredProcess]: Starting monitored process 458 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:22,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (458)] Waiting until timeout for monitored process [2024-11-13 21:59:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:23,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:23,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:23,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:23,483 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:23,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (458)] Ended with exit code 0 [2024-11-13 21:59:23,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:23,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:23,503 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:23,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:23,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:23,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:23,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:23,505 INFO L229 MonitoredProcess]: Starting monitored process 459 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:23,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (459)] Waiting until timeout for monitored process [2024-11-13 21:59:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:24,413 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:24,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:24,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:24,686 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:24,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (459)] Ended with exit code 0 [2024-11-13 21:59:24,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:24,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:24,706 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:24,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:24,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:24,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:24,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:24,708 INFO L229 MonitoredProcess]: Starting monitored process 460 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:24,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (460)] Waiting until timeout for monitored process [2024-11-13 21:59:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:25,595 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:25,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:25,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:25,867 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:25,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (460)] Ended with exit code 0 [2024-11-13 21:59:25,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:25,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:25,885 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:25,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:25,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:25,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:25,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:25,887 INFO L229 MonitoredProcess]: Starting monitored process 461 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:25,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (461)] Waiting until timeout for monitored process [2024-11-13 21:59:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:26,777 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:26,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:26,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:26,979 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:26,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (461)] Ended with exit code 0 [2024-11-13 21:59:26,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:26,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:26,997 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:26,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:26,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:26,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:26,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:26,999 INFO L229 MonitoredProcess]: Starting monitored process 462 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:27,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (462)] Waiting until timeout for monitored process [2024-11-13 21:59:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:27,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:27,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:27,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:28,171 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:28,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (462)] Ended with exit code 0 [2024-11-13 21:59:28,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:28,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:28,192 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:28,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:28,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:28,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:28,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:28,196 INFO L229 MonitoredProcess]: Starting monitored process 463 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:28,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (463)] Waiting until timeout for monitored process [2024-11-13 21:59:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:29,108 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:29,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:29,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:29,399 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:29,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (463)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:29,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:29,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:29,422 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:29,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:29,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:29,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:29,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:29,426 INFO L229 MonitoredProcess]: Starting monitored process 464 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:29,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (464)] Waiting until timeout for monitored process [2024-11-13 21:59:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:30,413 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:30,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:30,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:30,763 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:30,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (464)] Ended with exit code 0 [2024-11-13 21:59:30,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:30,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:30,791 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:30,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:30,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:30,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:30,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:30,795 INFO L229 MonitoredProcess]: Starting monitored process 465 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:30,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (465)] Waiting until timeout for monitored process [2024-11-13 21:59:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:31,877 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:31,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:31,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:32,205 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:32,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (465)] Ended with exit code 0 [2024-11-13 21:59:32,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:32,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:32,225 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:32,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:32,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:32,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:32,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:32,227 INFO L229 MonitoredProcess]: Starting monitored process 466 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:32,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (466)] Waiting until timeout for monitored process [2024-11-13 21:59:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:33,245 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:33,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:33,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:33,512 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:33,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (466)] Ended with exit code 0 [2024-11-13 21:59:33,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:33,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:33,533 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:33,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:33,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:33,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:33,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:33,536 INFO L229 MonitoredProcess]: Starting monitored process 467 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:33,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (467)] Waiting until timeout for monitored process [2024-11-13 21:59:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:34,561 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:34,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:34,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:34,853 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:34,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (467)] Ended with exit code 0 [2024-11-13 21:59:34,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:34,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:34,875 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:34,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:34,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:34,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:34,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:34,877 INFO L229 MonitoredProcess]: Starting monitored process 468 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:34,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (468)] Waiting until timeout for monitored process [2024-11-13 21:59:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:35,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:35,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:35,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:36,198 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:36,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (468)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:36,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:36,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:36,220 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:36,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:36,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:36,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:36,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:36,222 INFO L229 MonitoredProcess]: Starting monitored process 469 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:36,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (469)] Waiting until timeout for monitored process [2024-11-13 21:59:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:37,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:37,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 21:59:37,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:37,470 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:37,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (469)] Ended with exit code 0 [2024-11-13 21:59:37,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:37,488 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:37,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:37,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:37,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:37,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:37,490 INFO L229 MonitoredProcess]: Starting monitored process 470 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:37,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (470)] Waiting until timeout for monitored process [2024-11-13 21:59:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:38,427 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:38,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:38,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:38,727 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:38,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (470)] Ended with exit code 0 [2024-11-13 21:59:38,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:38,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:38,747 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:38,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:38,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:38,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:38,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:38,750 INFO L229 MonitoredProcess]: Starting monitored process 471 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:38,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (471)] Waiting until timeout for monitored process [2024-11-13 21:59:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:39,915 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:39,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:39,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:40,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:40,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (471)] Ended with exit code 0 [2024-11-13 21:59:40,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:40,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:40,163 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:40,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:40,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:40,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:40,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:40,165 INFO L229 MonitoredProcess]: Starting monitored process 472 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:40,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (472)] Waiting until timeout for monitored process [2024-11-13 21:59:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:41,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:41,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:41,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:41,470 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:41,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (472)] Ended with exit code 0 [2024-11-13 21:59:41,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:41,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:41,491 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:41,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:41,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:41,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:41,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:41,493 INFO L229 MonitoredProcess]: Starting monitored process 473 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:41,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (473)] Waiting until timeout for monitored process [2024-11-13 21:59:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:42,548 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:42,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:42,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:42,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:42,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (473)] Ended with exit code 0 [2024-11-13 21:59:42,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:42,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:42,835 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:42,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:42,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:42,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:42,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:42,838 INFO L229 MonitoredProcess]: Starting monitored process 474 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:42,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (474)] Waiting until timeout for monitored process [2024-11-13 21:59:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:43,881 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:43,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:43,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:44,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:44,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (474)] Ended with exit code 0 [2024-11-13 21:59:44,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:44,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:44,150 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:44,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:44,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:44,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:44,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:44,152 INFO L229 MonitoredProcess]: Starting monitored process 475 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:44,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (475)] Waiting until timeout for monitored process [2024-11-13 21:59:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:45,191 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:45,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:45,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:45,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (475)] Ended with exit code 0 [2024-11-13 21:59:45,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:45,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:45,475 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:45,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:45,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:45,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:45,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:45,477 INFO L229 MonitoredProcess]: Starting monitored process 476 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:45,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (476)] Waiting until timeout for monitored process [2024-11-13 21:59:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:46,520 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:46,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:46,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:46,822 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:46,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (476)] Ended with exit code 0 [2024-11-13 21:59:46,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:46,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:46,843 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:46,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:46,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:46,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:46,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:46,845 INFO L229 MonitoredProcess]: Starting monitored process 477 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:46,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (477)] Waiting until timeout for monitored process [2024-11-13 21:59:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:47,897 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:47,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:47,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:48,160 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:48,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (477)] Ended with exit code 0 [2024-11-13 21:59:48,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:48,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:48,181 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:48,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:48,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:48,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:48,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:48,183 INFO L229 MonitoredProcess]: Starting monitored process 478 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:48,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (478)] Waiting until timeout for monitored process [2024-11-13 21:59:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:49,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:49,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:49,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:49,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (478)] Ended with exit code 0 [2024-11-13 21:59:49,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:49,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:49,500 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:49,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:49,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:49,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:49,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:49,504 INFO L229 MonitoredProcess]: Starting monitored process 479 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:49,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (479)] Waiting until timeout for monitored process [2024-11-13 21:59:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:50,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:50,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:50,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:50,778 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:50,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (479)] Ended with exit code 0 [2024-11-13 21:59:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:50,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:50,799 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:50,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:50,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:50,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:50,801 INFO L229 MonitoredProcess]: Starting monitored process 480 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:50,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (480)] Waiting until timeout for monitored process [2024-11-13 21:59:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:51,812 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:51,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:51,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:52,074 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:52,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (480)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:52,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:52,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:52,096 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:52,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:52,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:52,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:52,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:52,098 INFO L229 MonitoredProcess]: Starting monitored process 481 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:52,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (481)] Waiting until timeout for monitored process [2024-11-13 21:59:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:53,107 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:53,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:53,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:53,424 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:53,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (481)] Ended with exit code 0 [2024-11-13 21:59:53,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:53,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:53,446 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:53,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:53,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:53,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:53,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:53,448 INFO L229 MonitoredProcess]: Starting monitored process 482 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:53,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (482)] Waiting until timeout for monitored process [2024-11-13 21:59:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:54,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:54,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:54,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:54,747 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:54,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (482)] Ended with exit code 0 [2024-11-13 21:59:54,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:54,767 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:54,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:54,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:54,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:54,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:54,769 INFO L229 MonitoredProcess]: Starting monitored process 483 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:54,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (483)] Waiting until timeout for monitored process [2024-11-13 21:59:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:55,785 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:55,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:59:55,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:55,950 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:55,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (483)] Ended with exit code 0 [2024-11-13 21:59:55,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:55,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:55,974 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:55,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:55,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:55,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:55,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:55,976 INFO L229 MonitoredProcess]: Starting monitored process 484 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:55,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (484)] Waiting until timeout for monitored process [2024-11-13 21:59:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:56,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:56,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:56,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:57,241 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:57,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (484)] Ended with exit code 0 [2024-11-13 21:59:57,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:57,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:57,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:57,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:57,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:57,265 INFO L229 MonitoredProcess]: Starting monitored process 485 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:57,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (485)] Waiting until timeout for monitored process [2024-11-13 21:59:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:58,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:58,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:58,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:58,595 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:58,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (485)] Ended with exit code 0 [2024-11-13 21:59:58,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:58,615 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:58,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:58,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:58,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:58,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:58,617 INFO L229 MonitoredProcess]: Starting monitored process 486 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:58,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (486)] Waiting until timeout for monitored process [2024-11-13 21:59:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:59,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:59,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:59:59,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:59,877 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:59:59,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (486)] Ended with exit code 0 [2024-11-13 21:59:59,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:59,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 21:59:59,900 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 21:59:59,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:59:59,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:59,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:59,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:59,902 INFO L229 MonitoredProcess]: Starting monitored process 487 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:59,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (487)] Waiting until timeout for monitored process [2024-11-13 22:00:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:00,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:00,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:00,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:01,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:01,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (487)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:01,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:01,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:01,196 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:01,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:01,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:01,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:01,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:01,198 INFO L229 MonitoredProcess]: Starting monitored process 488 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:01,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (488)] Waiting until timeout for monitored process [2024-11-13 22:00:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:02,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:02,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:02,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:02,441 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:02,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (488)] Ended with exit code 0 [2024-11-13 22:00:02,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:02,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:02,462 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:02,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:02,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:02,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:02,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:02,464 INFO L229 MonitoredProcess]: Starting monitored process 489 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:02,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (489)] Waiting until timeout for monitored process [2024-11-13 22:00:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:03,520 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:03,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:03,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:03,825 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:03,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (489)] Ended with exit code 0 [2024-11-13 22:00:03,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:03,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:03,846 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:03,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:03,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:03,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:03,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:03,849 INFO L229 MonitoredProcess]: Starting monitored process 490 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:03,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (490)] Waiting until timeout for monitored process [2024-11-13 22:00:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:04,852 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:04,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:04,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:05,108 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:05,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (490)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:05,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:05,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:05,128 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:05,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:05,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:05,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:05,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:05,130 INFO L229 MonitoredProcess]: Starting monitored process 491 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:05,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (491)] Waiting until timeout for monitored process [2024-11-13 22:00:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:06,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:06,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:06,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:06,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:06,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (491)] Ended with exit code 0 [2024-11-13 22:00:06,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:06,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:06,450 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:06,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:06,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:06,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:06,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:06,452 INFO L229 MonitoredProcess]: Starting monitored process 492 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:06,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (492)] Waiting until timeout for monitored process [2024-11-13 22:00:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:07,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:07,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:07,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:07,704 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:07,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (492)] Ended with exit code 0 [2024-11-13 22:00:07,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:07,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:07,726 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:07,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:07,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:07,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:07,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:07,728 INFO L229 MonitoredProcess]: Starting monitored process 493 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:07,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (493)] Waiting until timeout for monitored process [2024-11-13 22:00:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,784 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:08,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:09,029 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:09,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (493)] Ended with exit code 0 [2024-11-13 22:00:09,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:09,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:09,050 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:09,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:09,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:09,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:09,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:09,053 INFO L229 MonitoredProcess]: Starting monitored process 494 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:09,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (494)] Waiting until timeout for monitored process [2024-11-13 22:00:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:10,148 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:10,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:10,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:10,406 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:10,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (494)] Ended with exit code 0 [2024-11-13 22:00:10,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:10,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:10,427 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:10,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:10,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:10,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:10,429 INFO L229 MonitoredProcess]: Starting monitored process 495 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:10,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (495)] Waiting until timeout for monitored process [2024-11-13 22:00:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,498 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:11,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:11,753 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:11,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (495)] Ended with exit code 0 [2024-11-13 22:00:11,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:11,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:11,774 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:11,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:11,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:11,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:11,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:11,776 INFO L229 MonitoredProcess]: Starting monitored process 496 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:11,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (496)] Waiting until timeout for monitored process [2024-11-13 22:00:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:12,798 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:12,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:12,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:13,220 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:13,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (496)] Ended with exit code 0 [2024-11-13 22:00:13,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:13,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:13,242 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:13,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:13,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:13,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:13,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:13,244 INFO L229 MonitoredProcess]: Starting monitored process 497 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:13,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (497)] Waiting until timeout for monitored process [2024-11-13 22:00:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:14,283 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:14,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:14,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:14,556 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:14,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (497)] Ended with exit code 0 [2024-11-13 22:00:14,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:14,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:14,578 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:14,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:14,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:14,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:14,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:14,580 INFO L229 MonitoredProcess]: Starting monitored process 498 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:14,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (498)] Waiting until timeout for monitored process [2024-11-13 22:00:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:15,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:15,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:15,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:15,898 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:15,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (498)] Ended with exit code 0 [2024-11-13 22:00:15,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:15,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:15,920 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:15,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:15,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:15,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:15,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:15,923 INFO L229 MonitoredProcess]: Starting monitored process 499 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:15,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (499)] Waiting until timeout for monitored process [2024-11-13 22:00:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:16,944 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:16,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:16,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:17,185 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:17,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (499)] Ended with exit code 0 [2024-11-13 22:00:17,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:17,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:17,205 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:17,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:17,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:17,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:17,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:17,207 INFO L229 MonitoredProcess]: Starting monitored process 500 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:17,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (500)] Waiting until timeout for monitored process [2024-11-13 22:00:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:18,228 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:18,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:18,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:18,519 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:18,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (500)] Ended with exit code 0 [2024-11-13 22:00:18,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:18,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:18,541 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:18,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:18,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:18,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:18,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:18,543 INFO L229 MonitoredProcess]: Starting monitored process 501 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:18,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (501)] Waiting until timeout for monitored process [2024-11-13 22:00:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:19,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:19,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:19,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:19,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:19,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (501)] Ended with exit code 0 [2024-11-13 22:00:19,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:19,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:19,957 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:19,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:19,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:19,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:19,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:19,960 INFO L229 MonitoredProcess]: Starting monitored process 502 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:19,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (502)] Waiting until timeout for monitored process [2024-11-13 22:00:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:21,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:21,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:21,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:21,312 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:21,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (502)] Ended with exit code 0 [2024-11-13 22:00:21,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:21,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:21,333 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:21,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:21,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:21,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:21,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:21,335 INFO L229 MonitoredProcess]: Starting monitored process 503 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:21,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (503)] Waiting until timeout for monitored process [2024-11-13 22:00:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,448 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:22,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:22,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (503)] Ended with exit code 0 [2024-11-13 22:00:22,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:22,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:22,778 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:22,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:22,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:22,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:22,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:22,780 INFO L229 MonitoredProcess]: Starting monitored process 504 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:22,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (504)] Waiting until timeout for monitored process [2024-11-13 22:00:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:23,759 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:23,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:23,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:24,029 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:24,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (504)] Ended with exit code 0 [2024-11-13 22:00:24,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:24,049 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:24,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:24,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:24,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:24,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:24,051 INFO L229 MonitoredProcess]: Starting monitored process 505 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:24,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (505)] Waiting until timeout for monitored process [2024-11-13 22:00:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:25,014 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:25,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:25,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:25,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:25,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (505)] Ended with exit code 0 [2024-11-13 22:00:25,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:25,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:25,307 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:25,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:25,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:25,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:25,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:25,309 INFO L229 MonitoredProcess]: Starting monitored process 506 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:25,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (506)] Waiting until timeout for monitored process [2024-11-13 22:00:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:26,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:26,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:26,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:26,582 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:26,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (506)] Ended with exit code 0 [2024-11-13 22:00:26,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:26,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:26,603 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:26,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:26,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:26,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:26,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:26,605 INFO L229 MonitoredProcess]: Starting monitored process 507 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:26,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (507)] Waiting until timeout for monitored process [2024-11-13 22:00:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:27,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:27,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:27,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:27,940 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:27,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (507)] Ended with exit code 0 [2024-11-13 22:00:27,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:27,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:27,960 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:27,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:27,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:27,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:27,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:27,962 INFO L229 MonitoredProcess]: Starting monitored process 508 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:27,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (508)] Waiting until timeout for monitored process [2024-11-13 22:00:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:29,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:29,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:29,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:29,294 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:29,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (508)] Ended with exit code 0 [2024-11-13 22:00:29,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:29,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:29,316 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:29,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:29,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:29,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:29,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:29,318 INFO L229 MonitoredProcess]: Starting monitored process 509 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:29,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (509)] Waiting until timeout for monitored process [2024-11-13 22:00:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:30,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:30,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (509)] Ended with exit code 0 [2024-11-13 22:00:30,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:30,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:30,788 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:30,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:30,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:30,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:30,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:30,790 INFO L229 MonitoredProcess]: Starting monitored process 510 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:30,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (510)] Waiting until timeout for monitored process [2024-11-13 22:00:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,899 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:31,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:32,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (510)] Ended with exit code 0 [2024-11-13 22:00:32,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:32,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:32,176 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:32,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:32,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:32,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:32,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:32,178 INFO L229 MonitoredProcess]: Starting monitored process 511 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:32,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (511)] Waiting until timeout for monitored process [2024-11-13 22:00:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:33,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:33,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (511)] Ended with exit code 0 [2024-11-13 22:00:33,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:33,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:33,529 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:33,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:33,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:33,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:33,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:33,532 INFO L229 MonitoredProcess]: Starting monitored process 512 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:33,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (512)] Waiting until timeout for monitored process [2024-11-13 22:00:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,668 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:34,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:34,963 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:34,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (512)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:34,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:34,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:34,984 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:34,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:34,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:34,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:34,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:34,987 INFO L229 MonitoredProcess]: Starting monitored process 513 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:34,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (513)] Waiting until timeout for monitored process [2024-11-13 22:00:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:36,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:36,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:36,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:36,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (513)] Ended with exit code 0 [2024-11-13 22:00:36,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:36,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:36,364 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:36,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:36,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:36,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:36,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:36,367 INFO L229 MonitoredProcess]: Starting monitored process 514 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:36,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (514)] Waiting until timeout for monitored process [2024-11-13 22:00:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:37,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:37,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:37,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:37,731 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:37,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (514)] Ended with exit code 0 [2024-11-13 22:00:37,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:37,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:37,753 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:37,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:37,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:37,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:37,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:37,755 INFO L229 MonitoredProcess]: Starting monitored process 515 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:37,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (515)] Waiting until timeout for monitored process [2024-11-13 22:00:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:38,838 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:38,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:38,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:39,097 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:39,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (515)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:39,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:39,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:39,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:39,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:39,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:39,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:39,121 INFO L229 MonitoredProcess]: Starting monitored process 516 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:39,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (516)] Waiting until timeout for monitored process [2024-11-13 22:00:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:40,175 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:40,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:40,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:40,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (516)] Ended with exit code 0 [2024-11-13 22:00:40,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:40,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:40,455 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:40,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:40,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:40,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:40,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:40,457 INFO L229 MonitoredProcess]: Starting monitored process 517 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:40,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (517)] Waiting until timeout for monitored process [2024-11-13 22:00:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:41,540 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:41,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:41,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:41,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (517)] Ended with exit code 0 [2024-11-13 22:00:41,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:41,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:41,835 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:41,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:41,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:41,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:41,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:41,837 INFO L229 MonitoredProcess]: Starting monitored process 518 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:41,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (518)] Waiting until timeout for monitored process [2024-11-13 22:00:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:42,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:42,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:42,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:43,212 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:43,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (518)] Ended with exit code 0 [2024-11-13 22:00:43,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:43,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:43,235 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:43,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:43,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:43,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:43,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:43,237 INFO L229 MonitoredProcess]: Starting monitored process 519 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:43,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (519)] Waiting until timeout for monitored process [2024-11-13 22:00:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:44,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:44,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:44,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:44,668 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:44,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (519)] Ended with exit code 0 [2024-11-13 22:00:44,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:44,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:44,689 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:44,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:44,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:44,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:44,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:44,691 INFO L229 MonitoredProcess]: Starting monitored process 520 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:44,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (520)] Waiting until timeout for monitored process [2024-11-13 22:00:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:45,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:45,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:45,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:46,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (520)] Ended with exit code 0 [2024-11-13 22:00:46,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:46,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:46,125 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:46,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:46,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:46,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:46,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:46,127 INFO L229 MonitoredProcess]: Starting monitored process 521 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:46,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (521)] Waiting until timeout for monitored process [2024-11-13 22:00:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:47,246 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:47,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:47,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:47,491 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:47,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (521)] Ended with exit code 0 [2024-11-13 22:00:47,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:47,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:47,512 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:47,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:47,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:47,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:47,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:47,514 INFO L229 MonitoredProcess]: Starting monitored process 522 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:47,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (522)] Waiting until timeout for monitored process [2024-11-13 22:00:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:48,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:48,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:48,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:48,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (522)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:48,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:48,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:48,904 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:48,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:48,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:48,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:48,906 INFO L229 MonitoredProcess]: Starting monitored process 523 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:48,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (523)] Waiting until timeout for monitored process [2024-11-13 22:00:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:50,035 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:50,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:50,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:50,347 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:50,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (523)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:50,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:50,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:50,369 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:50,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:50,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:50,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:50,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:50,371 INFO L229 MonitoredProcess]: Starting monitored process 524 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:50,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (524)] Waiting until timeout for monitored process [2024-11-13 22:00:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:51,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:51,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:51,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:51,792 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:51,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (524)] Ended with exit code 0 [2024-11-13 22:00:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:51,816 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:51,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:51,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:51,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:51,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:51,818 INFO L229 MonitoredProcess]: Starting monitored process 525 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:51,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (525)] Waiting until timeout for monitored process [2024-11-13 22:00:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:53,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:53,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:53,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:53,296 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:53,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (525)] Ended with exit code 0 [2024-11-13 22:00:53,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:53,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:53,321 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:53,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:53,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:53,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:53,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:53,323 INFO L229 MonitoredProcess]: Starting monitored process 526 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:53,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (526)] Waiting until timeout for monitored process [2024-11-13 22:00:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:54,508 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:54,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:54,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:54,779 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:54,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (526)] Ended with exit code 0 [2024-11-13 22:00:54,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:54,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:54,801 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:54,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:54,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:54,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:54,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:54,803 INFO L229 MonitoredProcess]: Starting monitored process 527 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:54,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (527)] Waiting until timeout for monitored process [2024-11-13 22:00:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:55,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:55,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:55,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:56,214 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:56,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (527)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:56,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:56,237 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:56,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:56,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:56,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:56,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:56,239 INFO L229 MonitoredProcess]: Starting monitored process 528 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:56,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (528)] Waiting until timeout for monitored process [2024-11-13 22:00:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:57,393 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:57,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:57,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:57,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (528)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:57,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:57,702 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:57,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:57,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:57,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:57,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:57,704 INFO L229 MonitoredProcess]: Starting monitored process 529 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:57,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (529)] Waiting until timeout for monitored process [2024-11-13 22:00:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:58,840 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:58,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:00:58,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:59,101 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:00:59,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (529)] Ended with exit code 0 [2024-11-13 22:00:59,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:59,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:00:59,122 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:00:59,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:00:59,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:59,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:59,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:59,124 INFO L229 MonitoredProcess]: Starting monitored process 530 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:59,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (530)] Waiting until timeout for monitored process [2024-11-13 22:01:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:00,314 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:00,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:00,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:00,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (530)] Ended with exit code 0 [2024-11-13 22:01:00,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:00,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:00,600 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:00,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:00,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:00,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:00,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:00,602 INFO L229 MonitoredProcess]: Starting monitored process 531 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:00,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (531)] Waiting until timeout for monitored process [2024-11-13 22:01:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:01,738 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:01,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:01:01,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:02,020 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:02,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (531)] Ended with exit code 0 [2024-11-13 22:01:02,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:02,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:02,044 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:02,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:02,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:02,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:02,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:02,046 INFO L229 MonitoredProcess]: Starting monitored process 532 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:02,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (532)] Waiting until timeout for monitored process [2024-11-13 22:01:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:03,167 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:03,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:03,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:03,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (532)] Ended with exit code 0 [2024-11-13 22:01:03,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:03,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:03,458 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:03,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:03,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:03,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:03,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:03,460 INFO L229 MonitoredProcess]: Starting monitored process 533 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:03,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (533)] Waiting until timeout for monitored process [2024-11-13 22:01:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:04,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:04,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:04,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:04,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (533)] Ended with exit code 0 [2024-11-13 22:01:04,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:04,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:04,895 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:04,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:04,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:04,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:04,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:04,897 INFO L229 MonitoredProcess]: Starting monitored process 534 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:04,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (534)] Waiting until timeout for monitored process [2024-11-13 22:01:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:06,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:06,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:06,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:06,268 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:06,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (534)] Ended with exit code 0 [2024-11-13 22:01:06,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:06,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:06,290 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:06,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:06,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:06,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:06,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:06,292 INFO L229 MonitoredProcess]: Starting monitored process 535 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:06,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (535)] Waiting until timeout for monitored process [2024-11-13 22:01:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:07,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:07,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:07,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:07,729 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:07,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (535)] Ended with exit code 0 [2024-11-13 22:01:07,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:07,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:07,753 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:07,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:07,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:07,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:07,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:07,757 INFO L229 MonitoredProcess]: Starting monitored process 536 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:07,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (536)] Waiting until timeout for monitored process [2024-11-13 22:01:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:08,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:09,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:09,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:09,193 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:09,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (536)] Ended with exit code 0 [2024-11-13 22:01:09,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:09,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:09,213 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:09,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:09,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:09,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:09,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:09,216 INFO L229 MonitoredProcess]: Starting monitored process 537 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:09,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (537)] Waiting until timeout for monitored process [2024-11-13 22:01:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:10,331 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:10,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:10,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:10,580 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:10,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (537)] Ended with exit code 0 [2024-11-13 22:01:10,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:10,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:10,602 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:10,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:10,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:10,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:10,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:10,604 INFO L229 MonitoredProcess]: Starting monitored process 538 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:10,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (538)] Waiting until timeout for monitored process [2024-11-13 22:01:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:11,741 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:11,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:11,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:11,985 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:11,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (538)] Ended with exit code 0 [2024-11-13 22:01:12,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:12,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:12,006 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:12,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:12,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:12,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:12,008 INFO L229 MonitoredProcess]: Starting monitored process 539 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:12,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (539)] Waiting until timeout for monitored process [2024-11-13 22:01:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:13,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:13,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:13,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:13,435 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:13,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (539)] Ended with exit code 0 [2024-11-13 22:01:13,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:13,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:13,457 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:13,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:13,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:13,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:13,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:13,460 INFO L229 MonitoredProcess]: Starting monitored process 540 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:13,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (540)] Waiting until timeout for monitored process [2024-11-13 22:01:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:14,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:14,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:14,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:14,859 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:14,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (540)] Ended with exit code 0 [2024-11-13 22:01:14,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:14,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:14,879 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:14,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:14,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:14,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:14,881 INFO L229 MonitoredProcess]: Starting monitored process 541 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:14,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (541)] Waiting until timeout for monitored process [2024-11-13 22:01:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:15,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:15,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:15,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:16,211 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:16,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (541)] Ended with exit code 0 [2024-11-13 22:01:16,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:16,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:16,231 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:16,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:16,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:16,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:16,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:16,233 INFO L229 MonitoredProcess]: Starting monitored process 542 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:16,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (542)] Waiting until timeout for monitored process [2024-11-13 22:01:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:17,306 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:17,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:17,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:17,592 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:17,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (542)] Forceful destruction successful, exit code 0 [2024-11-13 22:01:17,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:17,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:17,614 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:17,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:17,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:17,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:17,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:17,616 INFO L229 MonitoredProcess]: Starting monitored process 543 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:17,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (543)] Waiting until timeout for monitored process [2024-11-13 22:01:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:18,737 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:18,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:18,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:18,978 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:18,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (543)] Forceful destruction successful, exit code 0 [2024-11-13 22:01:19,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:19,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:19,000 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:19,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:19,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:19,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:19,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:19,002 INFO L229 MonitoredProcess]: Starting monitored process 544 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:19,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (544)] Waiting until timeout for monitored process [2024-11-13 22:01:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:20,111 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:20,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:20,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:20,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (544)] Ended with exit code 0 [2024-11-13 22:01:20,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:20,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:20,428 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:20,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:20,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:20,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:20,430 INFO L229 MonitoredProcess]: Starting monitored process 545 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:20,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (545)] Waiting until timeout for monitored process [2024-11-13 22:01:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:21,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:21,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:21,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:21,759 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:21,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (545)] Forceful destruction successful, exit code 0 [2024-11-13 22:01:21,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:21,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:21,781 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:21,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:21,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:21,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:21,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:21,783 INFO L229 MonitoredProcess]: Starting monitored process 546 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:21,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (546)] Waiting until timeout for monitored process [2024-11-13 22:01:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:22,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:22,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:22,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:23,149 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:23,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (546)] Forceful destruction successful, exit code 0 [2024-11-13 22:01:23,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:23,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:23,173 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:23,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:23,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:23,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:23,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:23,175 INFO L229 MonitoredProcess]: Starting monitored process 547 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:23,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (547)] Waiting until timeout for monitored process [2024-11-13 22:01:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:24,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:24,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:24,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:24,587 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:24,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (547)] Ended with exit code 0 [2024-11-13 22:01:24,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:24,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:24,608 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:24,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:24,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:24,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:24,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:24,610 INFO L229 MonitoredProcess]: Starting monitored process 548 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:24,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (548)] Waiting until timeout for monitored process [2024-11-13 22:01:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:25,724 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:25,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:25,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:25,939 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:25,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (548)] Ended with exit code 0 [2024-11-13 22:01:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:25,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:25,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:25,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:25,963 INFO L229 MonitoredProcess]: Starting monitored process 549 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:25,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (549)] Waiting until timeout for monitored process [2024-11-13 22:01:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:27,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:27,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:27,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:27,320 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:27,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (549)] Ended with exit code 0 [2024-11-13 22:01:27,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:27,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:27,341 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:27,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:27,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:27,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:27,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:27,343 INFO L229 MonitoredProcess]: Starting monitored process 550 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:27,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (550)] Waiting until timeout for monitored process [2024-11-13 22:01:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:28,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:28,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:28,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:28,647 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:28,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (550)] Ended with exit code 0 [2024-11-13 22:01:28,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:28,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:28,669 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:28,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:28,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:28,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:28,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:28,672 INFO L229 MonitoredProcess]: Starting monitored process 551 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:28,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (551)] Waiting until timeout for monitored process [2024-11-13 22:01:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:29,791 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:29,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:29,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:30,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (551)] Ended with exit code 0 [2024-11-13 22:01:30,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:30,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:30,082 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:30,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:30,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:30,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:30,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:30,084 INFO L229 MonitoredProcess]: Starting monitored process 552 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:30,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (552)] Waiting until timeout for monitored process [2024-11-13 22:01:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:31,156 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:31,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:01:31,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:31,398 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:31,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (552)] Ended with exit code 0 [2024-11-13 22:01:31,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:31,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:31,419 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:31,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:31,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:31,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:31,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:31,422 INFO L229 MonitoredProcess]: Starting monitored process 553 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:31,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (553)] Waiting until timeout for monitored process [2024-11-13 22:01:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:32,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:32,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:32,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:32,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (553)] Ended with exit code 0 [2024-11-13 22:01:32,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:32,876 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:32,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:32,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:32,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:32,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:32,878 INFO L229 MonitoredProcess]: Starting monitored process 554 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:32,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (554)] Waiting until timeout for monitored process [2024-11-13 22:01:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:34,036 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:34,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:34,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:34,332 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:34,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (554)] Ended with exit code 0 [2024-11-13 22:01:34,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:34,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:34,354 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:34,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:34,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:34,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:34,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:34,356 INFO L229 MonitoredProcess]: Starting monitored process 555 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:34,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (555)] Waiting until timeout for monitored process [2024-11-13 22:01:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:35,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:35,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:35,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:35,832 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:35,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (555)] Ended with exit code 0 [2024-11-13 22:01:35,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:35,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:35,854 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:35,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:35,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:35,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:35,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:35,856 INFO L229 MonitoredProcess]: Starting monitored process 556 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:35,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (556)] Waiting until timeout for monitored process [2024-11-13 22:01:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:37,050 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:37,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:37,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:37,312 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:37,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (556)] Ended with exit code 0 [2024-11-13 22:01:37,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:37,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:37,334 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:37,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:37,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:37,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:37,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:37,336 INFO L229 MonitoredProcess]: Starting monitored process 557 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:37,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (557)] Waiting until timeout for monitored process [2024-11-13 22:01:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:38,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:38,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:38,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:38,852 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:38,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (557)] Ended with exit code 0 [2024-11-13 22:01:38,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:38,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:38,875 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:38,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:38,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:38,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:38,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:38,877 INFO L229 MonitoredProcess]: Starting monitored process 558 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:38,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (558)] Waiting until timeout for monitored process [2024-11-13 22:01:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:40,099 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:40,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:40,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:40,356 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:40,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (558)] Ended with exit code 0 [2024-11-13 22:01:40,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:40,379 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:40,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:40,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:40,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:40,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:40,381 INFO L229 MonitoredProcess]: Starting monitored process 559 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:40,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (559)] Waiting until timeout for monitored process [2024-11-13 22:01:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:41,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:41,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:41,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:41,929 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:41,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (559)] Ended with exit code 0 [2024-11-13 22:01:41,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:41,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:41,948 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:41,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:41,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:41,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:41,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:41,950 INFO L229 MonitoredProcess]: Starting monitored process 560 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:41,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (560)] Waiting until timeout for monitored process [2024-11-13 22:01:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:43,107 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:43,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:43,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:43,379 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:43,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (560)] Ended with exit code 0 [2024-11-13 22:01:43,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:43,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:43,400 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:43,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:43,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:43,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:43,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:43,402 INFO L229 MonitoredProcess]: Starting monitored process 561 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:43,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (561)] Waiting until timeout for monitored process [2024-11-13 22:01:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:44,574 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:44,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:44,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:44,852 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:44,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (561)] Ended with exit code 0 [2024-11-13 22:01:44,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:44,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:44,874 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:44,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:44,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:44,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:44,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:44,876 INFO L229 MonitoredProcess]: Starting monitored process 562 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:44,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (562)] Waiting until timeout for monitored process [2024-11-13 22:01:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:46,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:46,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:46,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:46,285 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:46,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (562)] Ended with exit code 0 [2024-11-13 22:01:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:46,308 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:46,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:46,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:46,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:46,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:46,310 INFO L229 MonitoredProcess]: Starting monitored process 563 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:46,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (563)] Waiting until timeout for monitored process [2024-11-13 22:01:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:47,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:47,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:47,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:47,732 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:47,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (563)] Ended with exit code 0 [2024-11-13 22:01:47,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:47,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:47,754 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:47,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:47,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:47,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:47,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:47,757 INFO L229 MonitoredProcess]: Starting monitored process 564 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:47,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (564)] Waiting until timeout for monitored process [2024-11-13 22:01:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:48,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:48,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:48,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:49,209 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:49,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (564)] Ended with exit code 0 [2024-11-13 22:01:49,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:49,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:49,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:49,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:49,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:49,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:49,233 INFO L229 MonitoredProcess]: Starting monitored process 565 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:49,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (565)] Waiting until timeout for monitored process [2024-11-13 22:01:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:50,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:50,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:50,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:50,774 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:50,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (565)] Ended with exit code 0 [2024-11-13 22:01:50,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:50,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:50,797 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:50,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:50,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:50,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:50,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:50,799 INFO L229 MonitoredProcess]: Starting monitored process 566 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:50,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (566)] Waiting until timeout for monitored process [2024-11-13 22:01:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:52,019 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:52,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:52,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:52,341 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:52,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (566)] Ended with exit code 0 [2024-11-13 22:01:52,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:52,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:52,362 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:52,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:52,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:52,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:52,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:52,364 INFO L229 MonitoredProcess]: Starting monitored process 567 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:52,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (567)] Waiting until timeout for monitored process [2024-11-13 22:01:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:53,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:53,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:53,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:53,749 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:53,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (567)] Ended with exit code 0 [2024-11-13 22:01:53,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:53,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:53,775 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:53,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:53,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:53,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:53,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:53,777 INFO L229 MonitoredProcess]: Starting monitored process 568 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:53,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (568)] Waiting until timeout for monitored process [2024-11-13 22:01:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:54,988 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:55,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:55,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:55,246 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:55,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (568)] Ended with exit code 0 [2024-11-13 22:01:55,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:55,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:55,269 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:55,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:55,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:55,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:55,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:55,271 INFO L229 MonitoredProcess]: Starting monitored process 569 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:55,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (569)] Waiting until timeout for monitored process [2024-11-13 22:01:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:56,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:56,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:56,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:56,752 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:56,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (569)] Ended with exit code 0 [2024-11-13 22:01:56,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:56,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:56,776 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:56,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:56,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:56,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:56,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:56,778 INFO L229 MonitoredProcess]: Starting monitored process 570 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:56,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (570)] Waiting until timeout for monitored process [2024-11-13 22:01:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:57,996 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:58,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:58,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:58,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (570)] Ended with exit code 0 [2024-11-13 22:01:58,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:58,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:58,285 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:58,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:58,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:58,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:58,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:58,287 INFO L229 MonitoredProcess]: Starting monitored process 571 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:58,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (571)] Waiting until timeout for monitored process [2024-11-13 22:01:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:59,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:59,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:01:59,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:59,761 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:01:59,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (571)] Ended with exit code 0 [2024-11-13 22:01:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:59,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:01:59,784 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:01:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:59,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:59,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:59,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:59,787 INFO L229 MonitoredProcess]: Starting monitored process 572 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:59,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (572)] Waiting until timeout for monitored process [2024-11-13 22:02:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:00,997 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:01,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:01,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:01,305 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:01,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (572)] Ended with exit code 0 [2024-11-13 22:02:01,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:01,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:01,327 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:01,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:01,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:01,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:01,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:01,329 INFO L229 MonitoredProcess]: Starting monitored process 573 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:01,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (573)] Waiting until timeout for monitored process [2024-11-13 22:02:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:02,550 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:02,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:02,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:02,820 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:02,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (573)] Ended with exit code 0 [2024-11-13 22:02:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:02,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:02,841 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:02,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:02,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:02,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:02,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:02,843 INFO L229 MonitoredProcess]: Starting monitored process 574 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:02,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (574)] Waiting until timeout for monitored process [2024-11-13 22:02:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:03,899 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:03,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:03,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:04,103 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:04,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (574)] Ended with exit code 0 [2024-11-13 22:02:04,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:04,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:04,125 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:04,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:04,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:04,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:04,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:04,126 INFO L229 MonitoredProcess]: Starting monitored process 575 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:04,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (575)] Waiting until timeout for monitored process [2024-11-13 22:02:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:05,246 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:05,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:05,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:05,533 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:05,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (575)] Ended with exit code 0 [2024-11-13 22:02:05,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:05,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:05,557 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:05,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:05,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:05,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:05,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:05,559 INFO L229 MonitoredProcess]: Starting monitored process 576 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:05,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (576)] Waiting until timeout for monitored process [2024-11-13 22:02:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:06,793 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:06,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:06,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:07,038 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:07,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (576)] Ended with exit code 0 [2024-11-13 22:02:07,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:07,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:07,061 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:07,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:07,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:07,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:07,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:07,063 INFO L229 MonitoredProcess]: Starting monitored process 577 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:07,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (577)] Waiting until timeout for monitored process [2024-11-13 22:02:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:08,286 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:08,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:08,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:08,568 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:08,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (577)] Ended with exit code 0 [2024-11-13 22:02:08,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:08,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:08,590 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:08,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:08,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:08,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:08,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:08,592 INFO L229 MonitoredProcess]: Starting monitored process 578 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:08,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (578)] Waiting until timeout for monitored process [2024-11-13 22:02:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:09,761 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:09,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:09,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:10,062 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:10,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (578)] Ended with exit code 0 [2024-11-13 22:02:10,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:10,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:10,083 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:10,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:10,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:10,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:10,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:10,085 INFO L229 MonitoredProcess]: Starting monitored process 579 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:10,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (579)] Waiting until timeout for monitored process [2024-11-13 22:02:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:11,243 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:11,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:11,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:11,486 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:11,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (579)] Ended with exit code 0 [2024-11-13 22:02:11,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:11,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:11,508 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:11,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:11,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:11,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:11,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:11,510 INFO L229 MonitoredProcess]: Starting monitored process 580 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:11,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (580)] Waiting until timeout for monitored process [2024-11-13 22:02:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:12,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:12,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:12,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:12,949 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:12,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (580)] Ended with exit code 0 [2024-11-13 22:02:12,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:12,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:12,971 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:12,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:12,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:12,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:12,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:12,973 INFO L229 MonitoredProcess]: Starting monitored process 581 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:12,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (581)] Waiting until timeout for monitored process [2024-11-13 22:02:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:14,044 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:14,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:14,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:14,261 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:14,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (581)] Ended with exit code 0 [2024-11-13 22:02:14,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:14,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:14,280 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:14,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:14,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:14,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:14,282 INFO L229 MonitoredProcess]: Starting monitored process 582 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:14,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (582)] Waiting until timeout for monitored process [2024-11-13 22:02:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:15,361 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:15,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:15,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:15,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (582)] Ended with exit code 0 [2024-11-13 22:02:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:15,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:15,660 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:15,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:15,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:15,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:15,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:15,662 INFO L229 MonitoredProcess]: Starting monitored process 583 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:15,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (583)] Waiting until timeout for monitored process [2024-11-13 22:02:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:16,992 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:17,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:02:17,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:17,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (583)] Forceful destruction successful, exit code 0 [2024-11-13 22:02:17,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:17,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:17,304 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:17,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:17,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:17,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:17,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:17,306 INFO L229 MonitoredProcess]: Starting monitored process 584 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:17,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (584)] Waiting until timeout for monitored process [2024-11-13 22:02:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:18,594 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:18,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:18,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:18,889 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:18,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (584)] Ended with exit code 0 [2024-11-13 22:02:18,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:18,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:18,913 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:18,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:18,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:18,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:18,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:18,916 INFO L229 MonitoredProcess]: Starting monitored process 585 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:18,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (585)] Waiting until timeout for monitored process [2024-11-13 22:02:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:20,324 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:20,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:20,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:20,627 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:20,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (585)] Ended with exit code 0 [2024-11-13 22:02:20,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:20,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:20,647 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:20,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:20,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:20,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:20,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:20,648 INFO L229 MonitoredProcess]: Starting monitored process 586 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:20,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (586)] Waiting until timeout for monitored process [2024-11-13 22:02:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:21,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:21,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:21,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:21,963 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:21,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (586)] Ended with exit code 0 [2024-11-13 22:02:21,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:21,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:21,985 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:21,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:21,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:21,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:21,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:21,987 INFO L229 MonitoredProcess]: Starting monitored process 587 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:21,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (587)] Waiting until timeout for monitored process [2024-11-13 22:02:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:23,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:23,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:23,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:23,319 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:23,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (587)] Ended with exit code 0 [2024-11-13 22:02:23,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:23,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:23,343 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:23,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:23,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:23,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:23,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:23,345 INFO L229 MonitoredProcess]: Starting monitored process 588 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:23,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (588)] Waiting until timeout for monitored process [2024-11-13 22:02:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:24,515 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:24,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:24,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:24,779 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:24,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (588)] Ended with exit code 0 [2024-11-13 22:02:24,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:24,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:24,802 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:24,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:24,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:24,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:24,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:24,804 INFO L229 MonitoredProcess]: Starting monitored process 589 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:24,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (589)] Waiting until timeout for monitored process [2024-11-13 22:02:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:26,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:26,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:26,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:26,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:26,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (589)] Ended with exit code 0 [2024-11-13 22:02:26,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:26,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:26,455 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:26,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:26,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:26,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:26,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:26,456 INFO L229 MonitoredProcess]: Starting monitored process 590 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:26,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (590)] Waiting until timeout for monitored process [2024-11-13 22:02:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:27,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:27,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:27,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:28,119 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:28,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (590)] Ended with exit code 0 [2024-11-13 22:02:28,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:28,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:28,142 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:28,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:28,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:28,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:28,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:28,145 INFO L229 MonitoredProcess]: Starting monitored process 591 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:28,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (591)] Waiting until timeout for monitored process [2024-11-13 22:02:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:29,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:29,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:29,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:29,839 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:29,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (591)] Forceful destruction successful, exit code 0 [2024-11-13 22:02:29,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:29,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:29,862 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:29,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:29,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:29,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:29,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:29,864 INFO L229 MonitoredProcess]: Starting monitored process 592 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:29,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (592)] Waiting until timeout for monitored process [2024-11-13 22:02:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:31,232 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:31,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:02:31,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:31,591 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:31,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (592)] Ended with exit code 0 [2024-11-13 22:02:31,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:31,625 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:31,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:31,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:31,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:31,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:31,627 INFO L229 MonitoredProcess]: Starting monitored process 593 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:31,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (593)] Waiting until timeout for monitored process [2024-11-13 22:02:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:32,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:33,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:33,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:33,292 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:33,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (593)] Ended with exit code 0 [2024-11-13 22:02:33,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:33,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:33,317 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:33,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:33,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:33,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:33,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:33,319 INFO L229 MonitoredProcess]: Starting monitored process 594 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:33,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (594)] Waiting until timeout for monitored process [2024-11-13 22:02:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:34,692 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:34,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:34,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:34,960 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:34,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (594)] Ended with exit code 0 [2024-11-13 22:02:34,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:34,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:34,986 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:34,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:34,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:34,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:34,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:34,988 INFO L229 MonitoredProcess]: Starting monitored process 595 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:34,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (595)] Waiting until timeout for monitored process [2024-11-13 22:02:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:36,378 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:36,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:36,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:36,658 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:36,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (595)] Ended with exit code 0 [2024-11-13 22:02:36,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:36,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:36,683 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:36,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:36,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:36,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:36,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:36,685 INFO L229 MonitoredProcess]: Starting monitored process 596 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:36,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (596)] Waiting until timeout for monitored process [2024-11-13 22:02:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:38,062 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:38,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:38,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:38,350 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:38,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (596)] Ended with exit code 0 [2024-11-13 22:02:38,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:38,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:38,374 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:38,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:38,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:38,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:38,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:38,376 INFO L229 MonitoredProcess]: Starting monitored process 597 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:38,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (597)] Waiting until timeout for monitored process [2024-11-13 22:02:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:39,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:39,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:39,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:40,120 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:40,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (597)] Forceful destruction successful, exit code 0 [2024-11-13 22:02:40,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:40,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:40,157 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:40,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:40,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:40,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:40,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:40,160 INFO L229 MonitoredProcess]: Starting monitored process 598 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:40,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (598)] Waiting until timeout for monitored process [2024-11-13 22:02:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:41,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:41,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:41,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:41,852 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:41,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (598)] Ended with exit code 0 [2024-11-13 22:02:41,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:41,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:41,878 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:41,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:41,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:41,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:41,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:41,880 INFO L229 MonitoredProcess]: Starting monitored process 599 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:41,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (599)] Waiting until timeout for monitored process [2024-11-13 22:02:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:43,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:43,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:43,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:43,512 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:43,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (599)] Ended with exit code 0 [2024-11-13 22:02:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:43,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:43,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:43,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:43,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:43,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:43,540 INFO L229 MonitoredProcess]: Starting monitored process 600 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:43,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (600)] Waiting until timeout for monitored process [2024-11-13 22:02:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:44,938 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:44,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:44,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:45,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (600)] Ended with exit code 0 [2024-11-13 22:02:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:45,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:45,274 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:45,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:45,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:45,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:45,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:45,277 INFO L229 MonitoredProcess]: Starting monitored process 601 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:45,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (601)] Waiting until timeout for monitored process [2024-11-13 22:02:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:46,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:46,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:46,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:46,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (601)] Ended with exit code 0 [2024-11-13 22:02:46,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:46,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:46,927 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:46,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:46,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:46,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:46,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:46,929 INFO L229 MonitoredProcess]: Starting monitored process 602 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:46,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (602)] Waiting until timeout for monitored process [2024-11-13 22:02:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:48,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:48,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:48,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:48,280 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:48,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (602)] Ended with exit code 0 [2024-11-13 22:02:48,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:48,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:48,300 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:48,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:48,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:48,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:48,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:48,302 INFO L229 MonitoredProcess]: Starting monitored process 603 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:48,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (603)] Waiting until timeout for monitored process [2024-11-13 22:02:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:49,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:49,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:49,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:49,699 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:49,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (603)] Ended with exit code 0 [2024-11-13 22:02:49,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:49,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:49,722 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:49,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:49,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:49,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:49,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:49,724 INFO L229 MonitoredProcess]: Starting monitored process 604 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:49,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (604)] Waiting until timeout for monitored process [2024-11-13 22:02:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:50,917 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:50,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:50,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:51,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:51,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (604)] Ended with exit code 0 [2024-11-13 22:02:51,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:51,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:51,176 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:51,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:51,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:51,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:51,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:51,178 INFO L229 MonitoredProcess]: Starting monitored process 605 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:51,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (605)] Waiting until timeout for monitored process [2024-11-13 22:02:52,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:52,376 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:52,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:52,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:52,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (605)] Ended with exit code 0 [2024-11-13 22:02:52,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:52,649 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:52,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:52,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:52,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:52,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:52,651 INFO L229 MonitoredProcess]: Starting monitored process 606 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:52,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (606)] Waiting until timeout for monitored process [2024-11-13 22:02:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:54,052 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:54,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:54,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:54,328 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:54,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (606)] Ended with exit code 0 [2024-11-13 22:02:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:54,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:54,354 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:54,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:54,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:54,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:54,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:54,356 INFO L229 MonitoredProcess]: Starting monitored process 607 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:54,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (607)] Waiting until timeout for monitored process [2024-11-13 22:02:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:55,763 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:55,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:02:55,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:55,956 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:55,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (607)] Ended with exit code 0 [2024-11-13 22:02:55,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:55,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:55,981 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:55,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:55,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:55,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:55,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:55,984 INFO L229 MonitoredProcess]: Starting monitored process 608 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:55,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (608)] Waiting until timeout for monitored process [2024-11-13 22:02:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:57,374 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:57,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:57,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:57,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (608)] Ended with exit code 0 [2024-11-13 22:02:57,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:57,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:57,665 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:57,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:57,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:57,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:57,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:57,667 INFO L229 MonitoredProcess]: Starting monitored process 609 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:57,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (609)] Waiting until timeout for monitored process [2024-11-13 22:02:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:59,073 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:59,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:02:59,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:59,432 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:02:59,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (609)] Ended with exit code 0 [2024-11-13 22:02:59,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:59,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:02:59,458 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:02:59,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:02:59,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:59,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:59,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:59,460 INFO L229 MonitoredProcess]: Starting monitored process 610 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:59,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (610)] Waiting until timeout for monitored process [2024-11-13 22:03:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:00,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:00,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:00,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:01,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (610)] Ended with exit code 0 [2024-11-13 22:03:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:01,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:01,296 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:01,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:01,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:01,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:01,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:01,298 INFO L229 MonitoredProcess]: Starting monitored process 611 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:01,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (611)] Waiting until timeout for monitored process [2024-11-13 22:03:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:02,711 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:02,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:02,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:02,992 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:03,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (611)] Ended with exit code 0 [2024-11-13 22:03:03,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:03,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:03,018 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:03,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:03,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:03,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:03,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:03,020 INFO L229 MonitoredProcess]: Starting monitored process 612 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:03,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (612)] Waiting until timeout for monitored process [2024-11-13 22:03:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:04,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:04,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:04,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:04,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:04,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (612)] Ended with exit code 0 [2024-11-13 22:03:04,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:04,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:04,752 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:04,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:04,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:04,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:04,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:04,754 INFO L229 MonitoredProcess]: Starting monitored process 613 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:04,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (613)] Waiting until timeout for monitored process [2024-11-13 22:03:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:06,172 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:06,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:06,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:06,439 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:06,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (613)] Ended with exit code 0 [2024-11-13 22:03:06,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:06,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:06,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:06,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:06,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:06,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:06,463 INFO L229 MonitoredProcess]: Starting monitored process 614 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:06,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (614)] Waiting until timeout for monitored process [2024-11-13 22:03:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:07,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:07,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:07,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:08,172 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:08,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (614)] Ended with exit code 0 [2024-11-13 22:03:08,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:08,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:08,199 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:08,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:08,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:08,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:08,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:08,201 INFO L229 MonitoredProcess]: Starting monitored process 615 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:08,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (615)] Waiting until timeout for monitored process [2024-11-13 22:03:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:09,686 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:09,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:09,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:10,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (615)] Ended with exit code 0 [2024-11-13 22:03:10,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:10,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:10,031 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:10,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:10,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:10,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:10,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:10,033 INFO L229 MonitoredProcess]: Starting monitored process 616 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:10,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (616)] Waiting until timeout for monitored process [2024-11-13 22:03:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:11,486 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:11,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:11,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:11,809 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:11,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (616)] Ended with exit code 0 [2024-11-13 22:03:11,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:11,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:11,834 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:11,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:11,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:11,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:11,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:11,836 INFO L229 MonitoredProcess]: Starting monitored process 617 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:11,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (617)] Waiting until timeout for monitored process [2024-11-13 22:03:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:13,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:13,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:13,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:13,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (617)] Ended with exit code 0 [2024-11-13 22:03:13,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:13,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:13,640 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:13,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:13,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:13,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:13,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:13,642 INFO L229 MonitoredProcess]: Starting monitored process 618 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:13,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (618)] Waiting until timeout for monitored process [2024-11-13 22:03:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:15,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:15,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:15,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:15,371 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:15,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (618)] Forceful destruction successful, exit code 0 [2024-11-13 22:03:15,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:15,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:15,396 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:15,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:15,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:15,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:15,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:15,398 INFO L229 MonitoredProcess]: Starting monitored process 619 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:15,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (619)] Waiting until timeout for monitored process [2024-11-13 22:03:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:16,759 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:16,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:16,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:17,067 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:17,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (619)] Ended with exit code 0 [2024-11-13 22:03:17,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:17,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:17,093 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:17,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:17,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:17,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:17,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:17,096 INFO L229 MonitoredProcess]: Starting monitored process 620 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:17,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (620)] Waiting until timeout for monitored process [2024-11-13 22:03:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:18,531 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:18,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:18,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:18,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:18,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (620)] Ended with exit code 0 [2024-11-13 22:03:18,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:18,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:18,840 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:18,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:18,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:18,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:18,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:18,842 INFO L229 MonitoredProcess]: Starting monitored process 621 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:18,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (621)] Waiting until timeout for monitored process [2024-11-13 22:03:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:20,280 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:20,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:20,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:20,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:20,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (621)] Ended with exit code 0 [2024-11-13 22:03:20,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:20,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:20,666 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:20,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:20,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:20,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:20,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:20,668 INFO L229 MonitoredProcess]: Starting monitored process 622 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:20,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (622)] Waiting until timeout for monitored process [2024-11-13 22:03:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:22,125 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:22,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:22,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:22,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (622)] Ended with exit code 0 [2024-11-13 22:03:22,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:22,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:22,517 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:22,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:22,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:22,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:22,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:22,519 INFO L229 MonitoredProcess]: Starting monitored process 623 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:22,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (623)] Waiting until timeout for monitored process [2024-11-13 22:03:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:23,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:23,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:23,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:24,304 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:24,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (623)] Ended with exit code 0 [2024-11-13 22:03:24,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:24,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:24,330 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:24,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:24,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:24,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:24,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:24,332 INFO L229 MonitoredProcess]: Starting monitored process 624 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:24,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (624)] Waiting until timeout for monitored process [2024-11-13 22:03:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:25,768 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:25,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:25,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:26,111 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:26,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (624)] Ended with exit code 0 [2024-11-13 22:03:26,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:26,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:26,138 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:26,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:26,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:26,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:26,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:26,141 INFO L229 MonitoredProcess]: Starting monitored process 625 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:26,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (625)] Waiting until timeout for monitored process [2024-11-13 22:03:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:27,597 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:27,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:27,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:27,869 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:27,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (625)] Ended with exit code 0 [2024-11-13 22:03:27,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:27,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:27,898 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:27,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:27,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:27,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:27,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:27,900 INFO L229 MonitoredProcess]: Starting monitored process 626 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:27,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (626)] Waiting until timeout for monitored process [2024-11-13 22:03:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:29,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:29,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:29,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:29,629 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:29,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (626)] Ended with exit code 0 [2024-11-13 22:03:29,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:29,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:29,656 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:29,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:29,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:29,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:29,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:29,658 INFO L229 MonitoredProcess]: Starting monitored process 627 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:29,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (627)] Waiting until timeout for monitored process [2024-11-13 22:03:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:31,120 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:31,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:31,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:31,408 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:31,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (627)] Forceful destruction successful, exit code 0 [2024-11-13 22:03:31,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:31,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:31,435 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:31,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:31,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:31,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:31,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:31,437 INFO L229 MonitoredProcess]: Starting monitored process 628 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:31,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (628)] Waiting until timeout for monitored process [2024-11-13 22:03:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:32,895 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:32,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:32,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:33,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (628)] Ended with exit code 0 [2024-11-13 22:03:33,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:33,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:33,272 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:33,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:33,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:33,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:33,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:33,274 INFO L229 MonitoredProcess]: Starting monitored process 629 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:33,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (629)] Waiting until timeout for monitored process [2024-11-13 22:03:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:34,731 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:34,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:34,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:35,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:35,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (629)] Forceful destruction successful, exit code 0 [2024-11-13 22:03:35,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:35,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:35,038 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:35,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:35,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:35,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:35,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:35,041 INFO L229 MonitoredProcess]: Starting monitored process 630 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:35,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (630)] Waiting until timeout for monitored process [2024-11-13 22:03:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:36,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:36,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:36,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:36,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (630)] Ended with exit code 0 [2024-11-13 22:03:36,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:36,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:36,832 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:36,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:36,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:36,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:36,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:36,835 INFO L229 MonitoredProcess]: Starting monitored process 631 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:36,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (631)] Waiting until timeout for monitored process [2024-11-13 22:03:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:38,299 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:38,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:38,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:38,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:38,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (631)] Ended with exit code 0 [2024-11-13 22:03:38,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:38,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:38,624 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:38,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:38,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:38,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:38,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:38,626 INFO L229 MonitoredProcess]: Starting monitored process 632 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:38,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (632)] Waiting until timeout for monitored process [2024-11-13 22:03:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:40,106 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:40,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:40,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:40,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (632)] Ended with exit code 0 [2024-11-13 22:03:40,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:40,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:40,412 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:40,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:40,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:40,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:40,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:40,414 INFO L229 MonitoredProcess]: Starting monitored process 633 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:40,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (633)] Waiting until timeout for monitored process [2024-11-13 22:03:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:41,865 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:41,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:41,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:42,147 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:42,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (633)] Ended with exit code 0 [2024-11-13 22:03:42,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:42,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:42,173 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:42,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:42,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:42,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:42,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:42,176 INFO L229 MonitoredProcess]: Starting monitored process 634 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:42,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (634)] Waiting until timeout for monitored process [2024-11-13 22:03:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:43,639 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:43,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:43,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:43,968 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:43,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (634)] Ended with exit code 0 [2024-11-13 22:03:43,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:43,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:43,994 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:43,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:43,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:43,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:43,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:43,999 INFO L229 MonitoredProcess]: Starting monitored process 635 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:44,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (635)] Waiting until timeout for monitored process [2024-11-13 22:03:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:45,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:45,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:45,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:45,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:45,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (635)] Forceful destruction successful, exit code 0 [2024-11-13 22:03:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:45,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:45,821 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:45,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:45,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:45,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:45,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:45,826 INFO L229 MonitoredProcess]: Starting monitored process 636 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:45,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (636)] Waiting until timeout for monitored process [2024-11-13 22:03:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:47,124 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:47,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:47,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:47,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:47,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (636)] Ended with exit code 0 [2024-11-13 22:03:47,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:47,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:47,407 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:47,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:47,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:47,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:47,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:47,409 INFO L229 MonitoredProcess]: Starting monitored process 637 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:47,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (637)] Waiting until timeout for monitored process [2024-11-13 22:03:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:48,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:48,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:48,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:48,930 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:48,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (637)] Forceful destruction successful, exit code 0 [2024-11-13 22:03:48,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:48,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:48,954 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:48,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:48,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:48,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:48,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:48,956 INFO L229 MonitoredProcess]: Starting monitored process 638 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:48,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (638)] Waiting until timeout for monitored process [2024-11-13 22:03:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:50,293 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:50,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:50,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:50,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (638)] Ended with exit code 0 [2024-11-13 22:03:50,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:50,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:50,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:50,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:50,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:50,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:50,626 INFO L229 MonitoredProcess]: Starting monitored process 639 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:50,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (639)] Waiting until timeout for monitored process [2024-11-13 22:03:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:51,916 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:51,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:51,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:52,199 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:52,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (639)] Ended with exit code 0 [2024-11-13 22:03:52,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:52,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:52,233 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:52,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:52,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:52,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:52,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:52,236 INFO L229 MonitoredProcess]: Starting monitored process 640 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:52,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (640)] Waiting until timeout for monitored process [2024-11-13 22:03:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:53,536 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:53,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:53,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:53,843 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:53,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (640)] Ended with exit code 0 [2024-11-13 22:03:53,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:53,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:53,868 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:53,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:53,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:53,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:53,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:53,870 INFO L229 MonitoredProcess]: Starting monitored process 641 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:53,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (641)] Waiting until timeout for monitored process [2024-11-13 22:03:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:55,178 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:55,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:55,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:55,473 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:55,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (641)] Ended with exit code 0 [2024-11-13 22:03:55,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:55,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:55,498 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:55,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:55,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:55,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:55,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:55,500 INFO L229 MonitoredProcess]: Starting monitored process 642 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:55,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (642)] Waiting until timeout for monitored process [2024-11-13 22:03:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:56,803 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:56,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:56,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:57,046 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:57,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (642)] Ended with exit code 0 [2024-11-13 22:03:57,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:57,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:57,070 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:57,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:57,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:57,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:57,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:57,072 INFO L229 MonitoredProcess]: Starting monitored process 643 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:57,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (643)] Waiting until timeout for monitored process [2024-11-13 22:03:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:58,356 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:58,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:03:58,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:58,659 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:58,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (643)] Ended with exit code 0 [2024-11-13 22:03:58,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:58,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:03:58,683 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:03:58,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:03:58,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:58,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:58,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:58,685 INFO L229 MonitoredProcess]: Starting monitored process 644 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:58,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (644)] Waiting until timeout for monitored process [2024-11-13 22:03:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:59,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:00,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:00,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:00,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:00,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (644)] Ended with exit code 0 [2024-11-13 22:04:00,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:00,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:00,284 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:00,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:00,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:00,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:00,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:00,286 INFO L229 MonitoredProcess]: Starting monitored process 645 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:00,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (645)] Waiting until timeout for monitored process [2024-11-13 22:04:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:01,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:01,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:01,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:01,944 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:01,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (645)] Ended with exit code 0 [2024-11-13 22:04:01,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:01,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:01,968 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:01,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:01,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:01,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:01,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:01,970 INFO L229 MonitoredProcess]: Starting monitored process 646 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:01,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (646)] Waiting until timeout for monitored process [2024-11-13 22:04:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:03,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:03,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:03,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:03,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (646)] Ended with exit code 0 [2024-11-13 22:04:03,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:03,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:03,569 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:03,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:03,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:03,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:03,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:03,571 INFO L229 MonitoredProcess]: Starting monitored process 647 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:03,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (647)] Waiting until timeout for monitored process [2024-11-13 22:04:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:04,819 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:04,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:04,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:05,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:05,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (647)] Ended with exit code 0 [2024-11-13 22:04:05,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:05,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:05,113 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:05,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:05,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:05,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:05,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:05,115 INFO L229 MonitoredProcess]: Starting monitored process 648 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:05,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (648)] Waiting until timeout for monitored process [2024-11-13 22:04:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:06,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:06,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:06,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:06,670 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:06,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (648)] Ended with exit code 0 [2024-11-13 22:04:06,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:06,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:06,694 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:06,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:06,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:06,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:06,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:06,696 INFO L229 MonitoredProcess]: Starting monitored process 649 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:06,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (649)] Waiting until timeout for monitored process [2024-11-13 22:04:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:08,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:08,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:08,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:08,335 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:08,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (649)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:08,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:08,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:08,360 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:08,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:08,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:08,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:08,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:08,362 INFO L229 MonitoredProcess]: Starting monitored process 650 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:08,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (650)] Waiting until timeout for monitored process [2024-11-13 22:04:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:09,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:09,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:09,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (650)] Ended with exit code 0 [2024-11-13 22:04:09,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:09,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:09,975 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:09,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:09,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:09,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:09,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:09,977 INFO L229 MonitoredProcess]: Starting monitored process 651 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:09,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (651)] Waiting until timeout for monitored process [2024-11-13 22:04:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:11,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:11,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:11,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:11,784 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:11,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (651)] Ended with exit code 0 [2024-11-13 22:04:11,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:11,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:11,809 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:11,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:11,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:11,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:11,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:11,811 INFO L229 MonitoredProcess]: Starting monitored process 652 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:11,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (652)] Waiting until timeout for monitored process [2024-11-13 22:04:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:13,157 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:13,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:13,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:13,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (652)] Ended with exit code 0 [2024-11-13 22:04:13,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:13,450 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:13,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:13,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:13,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:13,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:13,452 INFO L229 MonitoredProcess]: Starting monitored process 653 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:13,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (653)] Waiting until timeout for monitored process [2024-11-13 22:04:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:14,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:14,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:14,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:14,979 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:14,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (653)] Ended with exit code 0 [2024-11-13 22:04:15,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:15,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:15,003 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:15,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:15,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:15,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:15,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:15,005 INFO L229 MonitoredProcess]: Starting monitored process 654 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:15,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (654)] Waiting until timeout for monitored process [2024-11-13 22:04:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:16,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:16,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:16,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:16,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:16,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (654)] Ended with exit code 0 [2024-11-13 22:04:16,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:16,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:16,622 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:16,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:16,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:16,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:16,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:16,625 INFO L229 MonitoredProcess]: Starting monitored process 655 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:16,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (655)] Waiting until timeout for monitored process [2024-11-13 22:04:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:17,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:17,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:17,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:18,193 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:18,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (655)] Ended with exit code 0 [2024-11-13 22:04:18,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:18,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:18,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:18,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:18,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:18,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:18,220 INFO L229 MonitoredProcess]: Starting monitored process 656 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:18,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (656)] Waiting until timeout for monitored process [2024-11-13 22:04:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:19,618 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:19,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:19,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:19,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (656)] Ended with exit code 0 [2024-11-13 22:04:19,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:19,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:19,917 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:19,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:19,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:19,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:19,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:19,919 INFO L229 MonitoredProcess]: Starting monitored process 657 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:19,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (657)] Waiting until timeout for monitored process [2024-11-13 22:04:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:21,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:21,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:21,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:21,574 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:21,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (657)] Ended with exit code 0 [2024-11-13 22:04:21,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:21,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:21,599 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:21,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:21,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:21,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:21,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:21,601 INFO L229 MonitoredProcess]: Starting monitored process 658 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:21,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (658)] Waiting until timeout for monitored process [2024-11-13 22:04:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:22,988 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:23,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:23,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:23,254 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:23,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (658)] Ended with exit code 0 [2024-11-13 22:04:23,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:23,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:23,281 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:23,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:23,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:23,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:23,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:23,283 INFO L229 MonitoredProcess]: Starting monitored process 659 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:23,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (659)] Waiting until timeout for monitored process [2024-11-13 22:04:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:24,628 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:24,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:24,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:24,913 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:24,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (659)] Ended with exit code 0 [2024-11-13 22:04:24,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:24,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:24,940 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:24,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:24,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:24,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:24,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:24,943 INFO L229 MonitoredProcess]: Starting monitored process 660 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:24,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (660)] Waiting until timeout for monitored process [2024-11-13 22:04:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:26,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:26,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (660)] Ended with exit code 0 [2024-11-13 22:04:26,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:26,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:26,557 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:26,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:26,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:26,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:26,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:26,559 INFO L229 MonitoredProcess]: Starting monitored process 661 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:26,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (661)] Waiting until timeout for monitored process [2024-11-13 22:04:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:27,974 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:28,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:28,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:28,284 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:28,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (661)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:28,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:28,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:28,309 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:28,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:28,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:28,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:28,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:28,311 INFO L229 MonitoredProcess]: Starting monitored process 662 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:28,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (662)] Waiting until timeout for monitored process [2024-11-13 22:04:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:29,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:29,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:29,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:30,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (662)] Ended with exit code 0 [2024-11-13 22:04:30,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:30,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:30,082 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:30,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:30,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:30,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:30,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:30,084 INFO L229 MonitoredProcess]: Starting monitored process 663 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:30,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (663)] Waiting until timeout for monitored process [2024-11-13 22:04:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:31,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:31,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:31,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:31,802 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:31,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (663)] Ended with exit code 0 [2024-11-13 22:04:31,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:31,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:31,826 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:31,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:31,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:31,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:31,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:31,828 INFO L229 MonitoredProcess]: Starting monitored process 664 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:31,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (664)] Waiting until timeout for monitored process [2024-11-13 22:04:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:33,234 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:33,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:33,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:33,562 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:33,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (664)] Ended with exit code 0 [2024-11-13 22:04:33,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:33,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:33,587 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:33,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:33,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:33,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:33,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:33,589 INFO L229 MonitoredProcess]: Starting monitored process 665 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:33,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (665)] Waiting until timeout for monitored process [2024-11-13 22:04:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:34,990 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:35,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:35,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:35,246 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:35,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (665)] Ended with exit code 0 [2024-11-13 22:04:35,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:35,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:35,272 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:35,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:35,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:35,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:35,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:35,274 INFO L229 MonitoredProcess]: Starting monitored process 666 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:35,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (666)] Waiting until timeout for monitored process [2024-11-13 22:04:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:36,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:36,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:36,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:36,902 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:36,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (666)] Ended with exit code 0 [2024-11-13 22:04:36,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:36,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:36,926 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:36,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:36,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:36,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:36,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:36,928 INFO L229 MonitoredProcess]: Starting monitored process 667 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:36,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (667)] Waiting until timeout for monitored process [2024-11-13 22:04:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:38,311 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:38,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:38,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:38,545 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:38,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (667)] Ended with exit code 0 [2024-11-13 22:04:38,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:38,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:38,566 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:38,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:38,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:38,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:38,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:38,567 INFO L229 MonitoredProcess]: Starting monitored process 668 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:38,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (668)] Waiting until timeout for monitored process [2024-11-13 22:04:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:39,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:40,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:40,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:40,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (668)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:40,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:40,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:40,272 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:40,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:40,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:40,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:40,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:40,274 INFO L229 MonitoredProcess]: Starting monitored process 669 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:40,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (669)] Waiting until timeout for monitored process [2024-11-13 22:04:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,661 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:41,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:41,962 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:41,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (669)] Ended with exit code 0 [2024-11-13 22:04:41,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:41,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:41,986 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:41,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:41,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:41,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:41,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:41,988 INFO L229 MonitoredProcess]: Starting monitored process 670 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:41,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (670)] Waiting until timeout for monitored process [2024-11-13 22:04:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:43,239 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:43,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:43,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:43,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:43,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (670)] Ended with exit code 0 [2024-11-13 22:04:43,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:43,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:43,542 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:43,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:43,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:43,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:43,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:43,544 INFO L229 MonitoredProcess]: Starting monitored process 671 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:43,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (671)] Waiting until timeout for monitored process [2024-11-13 22:04:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:44,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:45,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:45,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:45,282 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:45,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (671)] Ended with exit code 0 [2024-11-13 22:04:45,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:45,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:45,307 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:45,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:45,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:45,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:45,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:45,309 INFO L229 MonitoredProcess]: Starting monitored process 672 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:45,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (672)] Waiting until timeout for monitored process [2024-11-13 22:04:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:46,757 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:46,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:46,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:47,069 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:47,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (672)] Ended with exit code 0 [2024-11-13 22:04:47,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:47,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:47,096 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:47,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:47,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:47,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:47,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:47,098 INFO L229 MonitoredProcess]: Starting monitored process 673 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:47,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (673)] Waiting until timeout for monitored process [2024-11-13 22:04:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:48,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:48,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:48,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:48,843 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:48,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (673)] Ended with exit code 0 [2024-11-13 22:04:48,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:48,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:48,870 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:48,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:48,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:48,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:48,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:48,872 INFO L229 MonitoredProcess]: Starting monitored process 674 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:48,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (674)] Waiting until timeout for monitored process [2024-11-13 22:04:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:50,276 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:50,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:50,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:50,541 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:50,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (674)] Ended with exit code 0 [2024-11-13 22:04:50,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:50,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:50,568 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:50,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:50,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:50,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:50,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:50,570 INFO L229 MonitoredProcess]: Starting monitored process 675 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:50,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (675)] Waiting until timeout for monitored process [2024-11-13 22:04:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:52,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:52,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:52,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:52,303 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:52,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (675)] Ended with exit code 0 [2024-11-13 22:04:52,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:52,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:52,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:52,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:52,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:52,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:52,333 INFO L229 MonitoredProcess]: Starting monitored process 676 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:52,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (676)] Waiting until timeout for monitored process [2024-11-13 22:04:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:53,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:53,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:53,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:54,039 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:54,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (676)] Ended with exit code 0 [2024-11-13 22:04:54,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:54,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:54,066 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:54,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:54,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:54,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:54,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:54,068 INFO L229 MonitoredProcess]: Starting monitored process 677 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:54,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (677)] Waiting until timeout for monitored process [2024-11-13 22:04:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:55,470 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:55,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:55,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:55,745 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:55,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (677)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:55,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:55,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:55,770 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:55,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:55,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:55,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:55,772 INFO L229 MonitoredProcess]: Starting monitored process 678 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:55,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (678)] Waiting until timeout for monitored process [2024-11-13 22:04:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:57,178 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:57,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:57,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:57,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (678)] Ended with exit code 0 [2024-11-13 22:04:57,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:57,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:57,494 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:57,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:57,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:57,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:57,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:57,496 INFO L229 MonitoredProcess]: Starting monitored process 679 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:57,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (679)] Waiting until timeout for monitored process [2024-11-13 22:04:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:58,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:58,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:04:58,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:59,136 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:04:59,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (679)] Ended with exit code 0 [2024-11-13 22:04:59,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:59,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:04:59,167 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:04:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:04:59,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:59,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:59,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:59,171 INFO L229 MonitoredProcess]: Starting monitored process 680 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:59,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (680)] Waiting until timeout for monitored process [2024-11-13 22:05:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,582 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:00,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:00,864 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:00,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (680)] Ended with exit code 0 [2024-11-13 22:05:00,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:00,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:00,888 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:00,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:00,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:00,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:00,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:00,890 INFO L229 MonitoredProcess]: Starting monitored process 681 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:00,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (681)] Waiting until timeout for monitored process [2024-11-13 22:05:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:02,320 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:02,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:02,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:02,601 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:02,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (681)] Ended with exit code 0 [2024-11-13 22:05:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:02,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:02,626 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:02,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:02,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:02,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:02,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:02,628 INFO L229 MonitoredProcess]: Starting monitored process 682 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:02,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (682)] Waiting until timeout for monitored process [2024-11-13 22:05:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:04,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:04,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:04,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:04,338 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:04,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (682)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:04,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:04,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:04,372 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:04,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:04,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:04,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:04,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:04,374 INFO L229 MonitoredProcess]: Starting monitored process 683 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:04,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (683)] Waiting until timeout for monitored process [2024-11-13 22:05:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:05,777 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:05,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:05,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:06,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:06,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (683)] Ended with exit code 0 [2024-11-13 22:05:06,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:06,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:06,087 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:06,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:06,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:06,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:06,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:06,089 INFO L229 MonitoredProcess]: Starting monitored process 684 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:06,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (684)] Waiting until timeout for monitored process [2024-11-13 22:05:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:07,474 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:07,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:07,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:07,728 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:07,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (684)] Ended with exit code 0 [2024-11-13 22:05:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:07,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:07,753 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:07,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:07,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:07,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:07,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:07,756 INFO L229 MonitoredProcess]: Starting monitored process 685 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:07,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (685)] Waiting until timeout for monitored process [2024-11-13 22:05:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:09,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:09,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:09,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:09,293 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:09,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (685)] Ended with exit code 0 [2024-11-13 22:05:09,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:09,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:09,317 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:09,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:09,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:09,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:09,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:09,319 INFO L229 MonitoredProcess]: Starting monitored process 686 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:09,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (686)] Waiting until timeout for monitored process [2024-11-13 22:05:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:10,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:10,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:10,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:10,956 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:10,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (686)] Ended with exit code 0 [2024-11-13 22:05:10,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:10,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:10,981 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:10,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:10,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:10,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:10,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:10,983 INFO L229 MonitoredProcess]: Starting monitored process 687 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:10,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (687)] Waiting until timeout for monitored process [2024-11-13 22:05:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:12,343 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:12,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:12,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:12,615 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:12,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (687)] Ended with exit code 0 [2024-11-13 22:05:12,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:12,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:12,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:12,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:12,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:12,642 INFO L229 MonitoredProcess]: Starting monitored process 688 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:12,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (688)] Waiting until timeout for monitored process [2024-11-13 22:05:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:13,987 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:14,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:14,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:14,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:14,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (688)] Ended with exit code 0 [2024-11-13 22:05:14,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:14,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:14,314 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:14,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:14,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:14,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:14,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:14,316 INFO L229 MonitoredProcess]: Starting monitored process 689 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:14,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (689)] Waiting until timeout for monitored process [2024-11-13 22:05:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:15,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:15,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:15,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:15,923 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:15,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (689)] Ended with exit code 0 [2024-11-13 22:05:15,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:15,949 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:15,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:15,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:15,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:15,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:15,951 INFO L229 MonitoredProcess]: Starting monitored process 690 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:15,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (690)] Waiting until timeout for monitored process [2024-11-13 22:05:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:17,283 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:17,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:17,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:17,536 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:17,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (690)] Ended with exit code 0 [2024-11-13 22:05:17,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:17,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:17,562 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:17,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:17,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:17,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:17,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:17,564 INFO L229 MonitoredProcess]: Starting monitored process 691 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:17,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (691)] Waiting until timeout for monitored process [2024-11-13 22:05:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:18,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:19,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:19,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:19,229 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:19,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (691)] Ended with exit code 0 [2024-11-13 22:05:19,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:19,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:19,253 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:19,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:19,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:19,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:19,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:19,255 INFO L229 MonitoredProcess]: Starting monitored process 692 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:19,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (692)] Waiting until timeout for monitored process [2024-11-13 22:05:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:20,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:20,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:20,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:20,993 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:21,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (692)] Ended with exit code 0 [2024-11-13 22:05:21,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:21,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:21,017 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:21,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:21,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:21,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:21,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:21,019 INFO L229 MonitoredProcess]: Starting monitored process 693 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:21,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (693)] Waiting until timeout for monitored process [2024-11-13 22:05:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:22,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:22,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:22,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:22,730 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:22,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (693)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:22,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:22,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:22,757 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:22,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:22,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:22,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:22,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:22,759 INFO L229 MonitoredProcess]: Starting monitored process 694 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:22,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (694)] Waiting until timeout for monitored process [2024-11-13 22:05:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:24,219 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:24,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:24,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:24,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:24,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (694)] Ended with exit code 0 [2024-11-13 22:05:24,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:24,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:24,542 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:24,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:24,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:24,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:24,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:24,544 INFO L229 MonitoredProcess]: Starting monitored process 695 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:24,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (695)] Waiting until timeout for monitored process [2024-11-13 22:05:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:25,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:26,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:26,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:26,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (695)] Ended with exit code 0 [2024-11-13 22:05:26,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:26,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:26,277 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:26,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:26,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:26,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:26,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:26,279 INFO L229 MonitoredProcess]: Starting monitored process 696 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:26,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (696)] Waiting until timeout for monitored process [2024-11-13 22:05:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:27,555 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:27,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:27,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:27,858 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:27,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (696)] Ended with exit code 0 [2024-11-13 22:05:27,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:27,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:27,884 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:27,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:27,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:27,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:27,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:27,886 INFO L229 MonitoredProcess]: Starting monitored process 697 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:27,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (697)] Waiting until timeout for monitored process [2024-11-13 22:05:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:29,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:29,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:29,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:29,529 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:29,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (697)] Ended with exit code 0 [2024-11-13 22:05:29,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:29,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:29,554 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:29,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:29,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:29,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:29,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:29,556 INFO L229 MonitoredProcess]: Starting monitored process 698 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:29,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (698)] Waiting until timeout for monitored process [2024-11-13 22:05:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:30,990 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:31,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:31,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:31,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:31,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (698)] Ended with exit code 0 [2024-11-13 22:05:31,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:31,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:31,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:31,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:31,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:31,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:31,341 INFO L229 MonitoredProcess]: Starting monitored process 699 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:31,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (699)] Waiting until timeout for monitored process [2024-11-13 22:05:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:32,808 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:32,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:32,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:33,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (699)] Ended with exit code 0 [2024-11-13 22:05:33,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:33,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:33,105 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:33,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:33,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:33,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:33,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:33,108 INFO L229 MonitoredProcess]: Starting monitored process 700 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:33,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (700)] Waiting until timeout for monitored process [2024-11-13 22:05:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:34,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:34,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:34,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:34,856 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:34,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (700)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:34,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:34,882 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:34,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:34,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:34,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:34,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:34,884 INFO L229 MonitoredProcess]: Starting monitored process 701 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:34,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (701)] Waiting until timeout for monitored process [2024-11-13 22:05:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:36,374 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:36,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:36,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:36,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (701)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:36,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:36,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:36,674 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:36,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:36,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:36,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:36,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:36,676 INFO L229 MonitoredProcess]: Starting monitored process 702 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:36,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (702)] Waiting until timeout for monitored process [2024-11-13 22:05:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:38,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:38,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:38,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:38,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (702)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:38,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:38,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:38,285 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:38,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:38,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:38,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:38,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:38,287 INFO L229 MonitoredProcess]: Starting monitored process 703 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:38,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (703)] Waiting until timeout for monitored process [2024-11-13 22:05:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:39,692 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:39,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:39,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:40,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (703)] Ended with exit code 0 [2024-11-13 22:05:40,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:40,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:40,040 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:40,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:40,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:40,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:40,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:40,042 INFO L229 MonitoredProcess]: Starting monitored process 704 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:40,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (704)] Waiting until timeout for monitored process [2024-11-13 22:05:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:41,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:41,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:41,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:41,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:41,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (704)] Ended with exit code 0 [2024-11-13 22:05:41,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:41,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:41,762 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:41,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:41,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:41,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:41,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:41,764 INFO L229 MonitoredProcess]: Starting monitored process 705 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:41,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (705)] Waiting until timeout for monitored process [2024-11-13 22:05:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:43,202 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:43,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:43,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:43,497 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:43,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (705)] Ended with exit code 0 [2024-11-13 22:05:43,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:43,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:43,523 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:43,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:43,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:43,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:43,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:43,525 INFO L229 MonitoredProcess]: Starting monitored process 706 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:43,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (706)] Waiting until timeout for monitored process [2024-11-13 22:05:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:45,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:45,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:45,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:45,375 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:45,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (706)] Ended with exit code 0 [2024-11-13 22:05:45,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:45,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:45,400 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:45,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:45,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:45,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:45,402 INFO L229 MonitoredProcess]: Starting monitored process 707 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:45,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (707)] Waiting until timeout for monitored process [2024-11-13 22:05:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:46,811 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:46,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:46,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:47,056 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:47,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (707)] Ended with exit code 0 [2024-11-13 22:05:47,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:47,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:47,081 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:47,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:47,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:47,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:47,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:47,083 INFO L229 MonitoredProcess]: Starting monitored process 708 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:47,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (708)] Waiting until timeout for monitored process [2024-11-13 22:05:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:48,440 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:48,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:48,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:48,714 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:48,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (708)] Ended with exit code 0 [2024-11-13 22:05:48,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:48,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:48,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:48,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:48,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:48,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:48,742 INFO L229 MonitoredProcess]: Starting monitored process 709 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:48,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (709)] Waiting until timeout for monitored process [2024-11-13 22:05:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:50,168 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:50,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:50,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:50,414 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:50,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (709)] Ended with exit code 0 [2024-11-13 22:05:50,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:50,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:50,442 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:50,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:50,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:50,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:50,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:50,444 INFO L229 MonitoredProcess]: Starting monitored process 710 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:50,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (710)] Waiting until timeout for monitored process [2024-11-13 22:05:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:51,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:51,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:51,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:52,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (710)] Ended with exit code 0 [2024-11-13 22:05:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:52,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:52,194 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:52,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:52,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:52,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:52,196 INFO L229 MonitoredProcess]: Starting monitored process 711 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:52,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (711)] Waiting until timeout for monitored process [2024-11-13 22:05:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:53,687 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:53,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:53,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:53,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (711)] Ended with exit code 0 [2024-11-13 22:05:53,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:53,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:53,949 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:53,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:53,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:53,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:53,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:53,951 INFO L229 MonitoredProcess]: Starting monitored process 712 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:53,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (712)] Waiting until timeout for monitored process [2024-11-13 22:05:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:55,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:55,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:55,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:55,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (712)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:55,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:55,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:55,766 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:55,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:55,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:55,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:55,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:55,768 INFO L229 MonitoredProcess]: Starting monitored process 713 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:55,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (713)] Waiting until timeout for monitored process [2024-11-13 22:05:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:57,196 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:57,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:57,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:57,453 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:57,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (713)] Ended with exit code 0 [2024-11-13 22:05:57,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:57,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:57,478 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:57,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:57,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:57,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:57,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:57,483 INFO L229 MonitoredProcess]: Starting monitored process 714 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:57,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (714)] Waiting until timeout for monitored process [2024-11-13 22:05:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:58,899 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:58,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:05:58,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:05:59,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (714)] Ended with exit code 0 [2024-11-13 22:05:59,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:59,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:05:59,234 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:05:59,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:59,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:59,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:59,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:59,236 INFO L229 MonitoredProcess]: Starting monitored process 715 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:59,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (715)] Waiting until timeout for monitored process [2024-11-13 22:06:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:00,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:00,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:00,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:00,989 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:01,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (715)] Ended with exit code 0 [2024-11-13 22:06:01,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:01,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:01,014 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:01,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:01,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:01,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:01,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:01,017 INFO L229 MonitoredProcess]: Starting monitored process 716 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:01,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (716)] Waiting until timeout for monitored process [2024-11-13 22:06:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:02,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:02,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:02,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:02,785 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:02,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (716)] Ended with exit code 0 [2024-11-13 22:06:02,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:02,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:02,811 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:02,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:02,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:02,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:02,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:02,813 INFO L229 MonitoredProcess]: Starting monitored process 717 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:02,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (717)] Waiting until timeout for monitored process [2024-11-13 22:06:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:04,235 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:04,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:06:04,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:04,448 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:04,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (717)] Ended with exit code 0 [2024-11-13 22:06:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:04,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:04,473 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:04,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:04,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:04,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:04,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:04,475 INFO L229 MonitoredProcess]: Starting monitored process 718 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:04,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (718)] Waiting until timeout for monitored process [2024-11-13 22:06:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:05,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:05,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:05,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:06,233 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:06,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (718)] Ended with exit code 0 [2024-11-13 22:06:06,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:06,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:06,258 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:06,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:06,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:06,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:06,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:06,261 INFO L229 MonitoredProcess]: Starting monitored process 719 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:06,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (719)] Waiting until timeout for monitored process [2024-11-13 22:06:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:07,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:07,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:07,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:08,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (719)] Ended with exit code 0 [2024-11-13 22:06:08,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:08,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:08,011 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:08,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:08,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:08,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:08,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:08,013 INFO L229 MonitoredProcess]: Starting monitored process 720 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:08,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (720)] Waiting until timeout for monitored process [2024-11-13 22:06:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:09,578 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:09,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:09,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:09,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:09,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (720)] Ended with exit code 0 [2024-11-13 22:06:09,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:09,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:09,944 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:09,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:09,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:09,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:09,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:09,946 INFO L229 MonitoredProcess]: Starting monitored process 721 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:09,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (721)] Waiting until timeout for monitored process [2024-11-13 22:06:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:11,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:11,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:11,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:11,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (721)] Ended with exit code 0 [2024-11-13 22:06:11,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:11,735 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:11,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:11,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:11,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:11,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:11,737 INFO L229 MonitoredProcess]: Starting monitored process 722 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:11,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (722)] Waiting until timeout for monitored process [2024-11-13 22:06:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:13,219 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:13,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:13,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:13,496 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:13,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (722)] Ended with exit code 0 [2024-11-13 22:06:13,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:13,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:13,521 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:13,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:13,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:13,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:13,523 INFO L229 MonitoredProcess]: Starting monitored process 723 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:13,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (723)] Waiting until timeout for monitored process [2024-11-13 22:06:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:15,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:15,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:06:15,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:15,180 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:15,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (723)] Ended with exit code 0 [2024-11-13 22:06:15,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:15,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:15,203 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:15,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:15,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:15,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:15,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:15,205 INFO L229 MonitoredProcess]: Starting monitored process 724 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:15,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (724)] Waiting until timeout for monitored process [2024-11-13 22:06:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:16,699 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:16,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:16,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:17,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (724)] Forceful destruction successful, exit code 0 [2024-11-13 22:06:17,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:17,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:17,026 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:17,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:17,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:17,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:17,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:17,028 INFO L229 MonitoredProcess]: Starting monitored process 725 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:17,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (725)] Waiting until timeout for monitored process [2024-11-13 22:06:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:18,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:18,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:18,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:18,790 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:18,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (725)] Forceful destruction successful, exit code 0 [2024-11-13 22:06:18,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:18,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:18,819 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:18,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:18,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:18,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:18,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:18,821 INFO L229 MonitoredProcess]: Starting monitored process 726 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:18,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (726)] Waiting until timeout for monitored process [2024-11-13 22:06:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:20,363 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:20,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:20,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:20,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (726)] Ended with exit code 0 [2024-11-13 22:06:20,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:20,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:20,669 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:20,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:20,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:20,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:20,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:20,671 INFO L229 MonitoredProcess]: Starting monitored process 727 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:20,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (727)] Waiting until timeout for monitored process [2024-11-13 22:06:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:22,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:22,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:22,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:22,465 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:22,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (727)] Forceful destruction successful, exit code 0 [2024-11-13 22:06:22,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:22,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:22,491 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:22,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:22,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:22,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:22,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:22,493 INFO L229 MonitoredProcess]: Starting monitored process 728 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:22,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (728)] Waiting until timeout for monitored process [2024-11-13 22:06:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:24,004 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:24,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:24,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:24,251 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:24,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (728)] Ended with exit code 0 [2024-11-13 22:06:24,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:24,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:24,277 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:24,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:24,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:24,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:24,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:24,279 INFO L229 MonitoredProcess]: Starting monitored process 729 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:24,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (729)] Waiting until timeout for monitored process [2024-11-13 22:06:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:25,812 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:25,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:25,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:26,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:26,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (729)] Ended with exit code 0 [2024-11-13 22:06:26,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:26,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:26,112 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:26,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:26,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:26,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:26,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:26,114 INFO L229 MonitoredProcess]: Starting monitored process 730 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:26,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (730)] Waiting until timeout for monitored process [2024-11-13 22:06:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:27,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:27,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:27,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:27,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:27,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (730)] Ended with exit code 0 [2024-11-13 22:06:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:27,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:27,847 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:27,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:27,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:27,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:27,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:27,849 INFO L229 MonitoredProcess]: Starting monitored process 731 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:27,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (731)] Waiting until timeout for monitored process [2024-11-13 22:06:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:29,378 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:29,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:29,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:29,753 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:29,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (731)] Ended with exit code 0 [2024-11-13 22:06:29,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:29,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:29,780 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:29,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:29,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:29,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:29,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:29,782 INFO L229 MonitoredProcess]: Starting monitored process 732 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:29,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (732)] Waiting until timeout for monitored process [2024-11-13 22:06:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:31,328 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:31,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:31,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:31,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (732)] Ended with exit code 0 [2024-11-13 22:06:31,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:31,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:31,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:31,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:31,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:31,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:31,611 INFO L229 MonitoredProcess]: Starting monitored process 733 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:31,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (733)] Waiting until timeout for monitored process [2024-11-13 22:06:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:33,120 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:33,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:33,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:33,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (733)] Ended with exit code 0 [2024-11-13 22:06:33,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:33,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:33,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:33,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:33,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:33,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:33,430 INFO L229 MonitoredProcess]: Starting monitored process 734 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:33,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (734)] Waiting until timeout for monitored process [2024-11-13 22:06:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:34,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:34,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:34,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:35,182 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:35,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (734)] Ended with exit code 0 [2024-11-13 22:06:35,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:35,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:35,209 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:35,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:35,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:35,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:35,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:35,211 INFO L229 MonitoredProcess]: Starting monitored process 735 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:35,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (735)] Waiting until timeout for monitored process [2024-11-13 22:06:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:36,756 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:36,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:36,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:36,988 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:37,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (735)] Ended with exit code 0 [2024-11-13 22:06:37,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:37,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:37,015 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:37,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:37,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:37,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:37,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:37,017 INFO L229 MonitoredProcess]: Starting monitored process 736 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:37,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (736)] Waiting until timeout for monitored process [2024-11-13 22:06:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:38,594 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:38,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:38,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:38,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:38,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (736)] Ended with exit code 0 [2024-11-13 22:06:38,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:38,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:38,964 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:38,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:38,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:38,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:38,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:38,966 INFO L229 MonitoredProcess]: Starting monitored process 737 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:38,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (737)] Waiting until timeout for monitored process [2024-11-13 22:06:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:40,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:40,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:40,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:40,849 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:40,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (737)] Ended with exit code 0 [2024-11-13 22:06:40,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:40,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:40,879 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:40,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:40,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:40,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:40,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:40,881 INFO L229 MonitoredProcess]: Starting monitored process 738 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:40,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (738)] Waiting until timeout for monitored process [2024-11-13 22:06:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:42,450 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:42,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:42,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:42,726 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:42,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (738)] Ended with exit code 0 [2024-11-13 22:06:42,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:42,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:42,751 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:42,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:42,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:42,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:42,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:42,753 INFO L229 MonitoredProcess]: Starting monitored process 739 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:42,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (739)] Waiting until timeout for monitored process [2024-11-13 22:06:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:44,320 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:44,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:44,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:44,584 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:44,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (739)] Ended with exit code 0 [2024-11-13 22:06:44,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:44,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:44,611 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:44,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:44,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:44,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:44,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:44,613 INFO L229 MonitoredProcess]: Starting monitored process 740 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:44,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (740)] Waiting until timeout for monitored process [2024-11-13 22:06:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:46,219 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:46,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:46,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:46,540 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:46,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (740)] Ended with exit code 0 [2024-11-13 22:06:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:46,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:46,567 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:46,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:46,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:46,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:46,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:46,569 INFO L229 MonitoredProcess]: Starting monitored process 741 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:46,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (741)] Waiting until timeout for monitored process [2024-11-13 22:06:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:48,103 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:48,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:48,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:48,334 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:48,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (741)] Ended with exit code 0 [2024-11-13 22:06:48,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:48,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:48,360 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:48,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:48,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:48,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:48,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:48,362 INFO L229 MonitoredProcess]: Starting monitored process 742 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:48,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (742)] Waiting until timeout for monitored process [2024-11-13 22:06:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:49,982 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:50,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:50,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:50,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (742)] Ended with exit code 0 [2024-11-13 22:06:50,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:50,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:50,287 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:50,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:50,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:50,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:50,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:50,289 INFO L229 MonitoredProcess]: Starting monitored process 743 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:50,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (743)] Waiting until timeout for monitored process [2024-11-13 22:06:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:51,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:51,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:51,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:52,124 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:52,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (743)] Forceful destruction successful, exit code 0 [2024-11-13 22:06:52,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:52,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:52,151 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:52,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:52,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:52,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:52,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:52,153 INFO L229 MonitoredProcess]: Starting monitored process 744 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:52,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (744)] Waiting until timeout for monitored process [2024-11-13 22:06:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:53,811 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:53,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:53,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:54,154 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:54,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (744)] Ended with exit code 0 [2024-11-13 22:06:54,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:54,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:54,181 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:54,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:54,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:54,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:54,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:54,183 INFO L229 MonitoredProcess]: Starting monitored process 745 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:54,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (745)] Waiting until timeout for monitored process [2024-11-13 22:06:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:55,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:55,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:55,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:55,748 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:55,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (745)] Ended with exit code 0 [2024-11-13 22:06:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:55,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:55,773 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:55,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:55,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:55,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:55,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:55,775 INFO L229 MonitoredProcess]: Starting monitored process 746 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:55,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (746)] Waiting until timeout for monitored process [2024-11-13 22:06:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:57,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:57,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:57,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:57,384 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:57,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (746)] Ended with exit code 0 [2024-11-13 22:06:57,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:57,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:57,408 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:57,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:57,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:57,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:57,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:57,409 INFO L229 MonitoredProcess]: Starting monitored process 747 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:57,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (747)] Waiting until timeout for monitored process [2024-11-13 22:06:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:58,761 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:58,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:06:58,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:59,046 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:06:59,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (747)] Ended with exit code 0 [2024-11-13 22:06:59,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:06:59,069 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:06:59,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:06:59,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:59,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:59,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:59,071 INFO L229 MonitoredProcess]: Starting monitored process 748 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:59,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (748)] Waiting until timeout for monitored process [2024-11-13 22:07:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:00,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:07:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:00,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:07:00,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:07:00,745 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:07:00,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (748)] Ended with exit code 0 [2024-11-13 22:07:00,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:00,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:07:00,769 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:07:00,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:07:00,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:00,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:07:00,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:07:00,771 INFO L229 MonitoredProcess]: Starting monitored process 749 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:07:00,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (749)] Waiting until timeout for monitored process [2024-11-13 22:07:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:02,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:07:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:02,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:07:02,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:07:02,719 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:07:02,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (749)] Ended with exit code 0 [2024-11-13 22:07:02,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:02,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:07:02,752 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:07:02,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:07:02,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:02,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:07:02,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:07:02,754 INFO L229 MonitoredProcess]: Starting monitored process 750 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:07:02,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (750)] Waiting until timeout for monitored process [2024-11-13 22:07:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:04,499 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:07:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:04,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:07:04,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:07:04,790 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:07:04,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (750)] Forceful destruction successful, exit code 0 [2024-11-13 22:07:04,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:04,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-13 22:07:04,823 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-13 22:07:04,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:07:04,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:04,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:07:04,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:07:04,825 INFO L229 MonitoredProcess]: Starting monitored process 751 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:07:04,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512468ca-fc84-4c4d-9704-63b20460eb81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (751)] Waiting until timeout for monitored process [2024-11-13 22:07:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:06,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:07:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:06,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:07:06,574 INFO L278 TraceCheckSpWp]: Computing forward predicates...