./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9 --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 be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 05:02:54,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 05:02:54,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 05:02:54,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 05:02:54,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 05:02:55,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 05:02:55,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 05:02:55,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 05:02:55,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 05:02:55,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 05:02:55,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 05:02:55,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 05:02:55,012 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 05:02:55,012 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 05:02:55,013 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 05:02:55,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 05:02:55,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 05:02:55,014 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 05:02:55,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 05:02:55,015 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 05:02:55,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 05:02:55,016 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 05:02:55,017 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 05:02:55,017 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 05:02:55,018 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 05:02:55,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 05:02:55,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:02:55,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 05:02:55,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 05:02:55,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 05:02:55,020 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 05:02:55,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 05:02:55,021 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 05:02:55,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 [2023-12-03 05:02:55,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 05:02:55,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 05:02:55,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 05:02:55,237 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 05:02:55,237 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 05:02:55,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i [2023-12-03 05:02:57,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 05:02:58,269 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 05:02:58,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i [2023-12-03 05:02:58,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/data/a59ceeb66/ac9d913373424c0dab3410a3adbb5b28/FLAG1846312f6 [2023-12-03 05:02:58,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/data/a59ceeb66/ac9d913373424c0dab3410a3adbb5b28 [2023-12-03 05:02:58,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 05:02:58,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 05:02:58,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 05:02:58,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 05:02:58,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 05:02:58,315 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:02:58" (1/1) ... [2023-12-03 05:02:58,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@540a2509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:58, skipping insertion in model container [2023-12-03 05:02:58,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:02:58" (1/1) ... [2023-12-03 05:02:58,374 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 05:02:58,679 WARN L240 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_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i[33519,33532] [2023-12-03 05:02:58,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:02:58,796 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 05:02:58,834 WARN L240 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_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i[33519,33532] [2023-12-03 05:02:58,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:02:58,937 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:02:58,945 INFO L206 MainTranslator]: Completed translation [2023-12-03 05:02:58,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:58 WrapperNode [2023-12-03 05:02:58,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 05:02:58,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 05:02:58,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 05:02:58,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 05:02:58,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:58" (1/1) ... [2023-12-03 05:02:58,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:58" (1/1) ... [2023-12-03 05:02:59,077 INFO L138 Inliner]: procedures = 177, calls = 332, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1502 [2023-12-03 05:02:59,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 05:02:59,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 05:02:59,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 05:02:59,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 05:02:59,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:58" (1/1) ... [2023-12-03 05:02:59,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:58" (1/1) ... [2023-12-03 05:02:59,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:58" (1/1) ... [2023-12-03 05:02:59,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:58" (1/1) ... [2023-12-03 05:02:59,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:58" (1/1) ... [2023-12-03 05:02:59,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:58" (1/1) ... [2023-12-03 05:02:59,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:58" (1/1) ... [2023-12-03 05:02:59,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:58" (1/1) ... [2023-12-03 05:02:59,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 05:02:59,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 05:02:59,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 05:02:59,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 05:02:59,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:58" (1/1) ... [2023-12-03 05:02:59,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:02:59,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 05:02:59,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 05:02:59,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 05:02:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 05:02:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 05:02:59,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 05:02:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 05:02:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 05:02:59,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 05:02:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 05:02:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 05:02:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 05:02:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 05:02:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 05:02:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 05:02:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 05:02:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 05:02:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 05:02:59,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 05:02:59,500 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 05:02:59,502 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 05:03:02,081 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 05:03:03,521 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 05:03:03,522 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-03 05:03:03,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:03:03 BoogieIcfgContainer [2023-12-03 05:03:03,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 05:03:03,524 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 05:03:03,524 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 05:03:03,535 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 05:03:03,535 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:03:03" (1/1) ... [2023-12-03 05:03:03,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 05:03:03,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:03:03,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 138 states and 233 transitions. [2023-12-03 05:03:03,604 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 233 transitions. [2023-12-03 05:03:03,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 05:03:03,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:03:03,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:03:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:03:03,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:03:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:03:03,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 138 states and 230 transitions. [2023-12-03 05:03:03,810 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 230 transitions. [2023-12-03 05:03:03,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 05:03:03,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:03:03,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:03:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:03:03,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:03:04,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:03:04,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 145 states and 241 transitions. [2023-12-03 05:03:04,050 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 241 transitions. [2023-12-03 05:03:04,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 05:03:04,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:03:04,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:03:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:03:04,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:03:04,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:03:04,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 145 states and 239 transitions. [2023-12-03 05:03:04,093 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 239 transitions. [2023-12-03 05:03:04,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 05:03:04,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:03:04,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:03:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:03:04,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:03:04,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:03:04,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:03:04,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:03:04,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2023-12-03 05:03:04,270 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2023-12-03 05:03:04,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 05:03:04,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:03:04,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:03:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:03:04,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:03:04,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:03:04,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 145 states and 233 transitions. [2023-12-03 05:03:04,312 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 233 transitions. [2023-12-03 05:03:04,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 05:03:04,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:03:04,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:03:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:03:04,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:03:04,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:03:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:03:04,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:03:04,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 145 states and 229 transitions. [2023-12-03 05:03:04,430 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 229 transitions. [2023-12-03 05:03:04,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 05:03:04,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:03:04,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:03:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:03:04,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:03:04,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:03:04,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 145 states and 227 transitions. [2023-12-03 05:03:04,467 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 227 transitions. [2023-12-03 05:03:04,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 05:03:04,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:03:04,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:03:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:03:04,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:03:14,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:03:14,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:03:14,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 145 states and 225 transitions. [2023-12-03 05:03:14,574 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 225 transitions. [2023-12-03 05:03:14,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 05:03:14,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:03:14,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:03:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:03:15,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:03:16,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:03:16,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 150 states and 234 transitions. [2023-12-03 05:03:16,106 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 234 transitions. [2023-12-03 05:03:16,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 05:03:16,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:03:16,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:03:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:03:16,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:03:16,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:03:16,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:03:16,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:03:16,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 150 states and 228 transitions. [2023-12-03 05:03:16,239 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 228 transitions. [2023-12-03 05:03:16,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 05:03:16,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:03:16,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:03:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:03:16,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:03:16,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:03:16,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:03:26,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:03:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:03:26,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 150 states and 222 transitions. [2023-12-03 05:03:26,576 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 222 transitions. [2023-12-03 05:03:26,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 05:03:26,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:03:26,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:03:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:03:26,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:03:26,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:03:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:03:36,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:03:46,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:03:57,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:04:07,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:04:07,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:04:07,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 161 states and 233 transitions. [2023-12-03 05:04:07,160 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 233 transitions. [2023-12-03 05:04:07,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 05:04:07,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:04:07,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:04:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:04:07,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:04:07,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:04:07,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:04:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:04:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 161 states and 231 transitions. [2023-12-03 05:04:07,365 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 231 transitions. [2023-12-03 05:04:07,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 05:04:07,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:04:07,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:04:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:04:07,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:04:07,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:04:07,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:04:07,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:04:07,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 161 states and 229 transitions. [2023-12-03 05:04:07,601 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 229 transitions. [2023-12-03 05:04:07,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 05:04:07,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:04:07,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:04:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:04:07,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:04:07,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:04:07,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:04:17,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:04:17,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:04:17,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 161 states and 227 transitions. [2023-12-03 05:04:17,870 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 227 transitions. [2023-12-03 05:04:17,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 05:04:17,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:04:17,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:04:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:04:18,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:04:18,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:04:18,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:04:28,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:04:37,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:04:47,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:04:57,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:04:57,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:04:57,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:04:57,646 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:04:57,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:04:57,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:04:57,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:04:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:04:57,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 05:04:57,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:04:57,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 05:04:58,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-03 05:04:58,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 05:04:58,247 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 05:05:08,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:05:18,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:05:28,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:05:38,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:05:39,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:39,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 199 states and 274 transitions. [2023-12-03 05:05:39,518 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 274 transitions. [2023-12-03 05:05:39,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 05:05:39,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:39,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:39,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 05:05:39,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:39,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 05:05:39,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-03 05:05:39,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 05:05:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 05:05:50,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:06:00,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:06:10,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:06:20,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:06:20,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:06:20,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 182 states and 253 transitions. [2023-12-03 05:06:20,203 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 253 transitions. [2023-12-03 05:06:20,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 05:06:20,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:06:20,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:06:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:06:20,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:06:20,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:06:20,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 05:06:20,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:06:20,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 182 states and 251 transitions. [2023-12-03 05:06:20,560 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 251 transitions. [2023-12-03 05:06:20,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 05:06:20,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:06:20,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:06:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:06:20,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:06:20,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:06:20,961 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 05:06:20,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:06:20,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 182 states and 250 transitions. [2023-12-03 05:06:20,993 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 250 transitions. [2023-12-03 05:06:20,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 05:06:20,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:06:20,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:06:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:06:21,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 05:06:21,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:06:21,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 05:06:21,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-03 05:06:21,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 05:06:21,499 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 05:06:21,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:06:21,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 191 states and 261 transitions. [2023-12-03 05:06:21,867 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 261 transitions. [2023-12-03 05:06:21,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 05:06:21,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:06:21,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:06:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:06:22,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:06:22,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:06:22,274 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 05:06:32,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:06:42,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:06:52,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:07:02,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:07:13,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:07:23,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:07:33,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:07:43,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:07:43,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:07:43,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 232 states and 313 transitions. [2023-12-03 05:07:43,672 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 313 transitions. [2023-12-03 05:07:43,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 05:07:43,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:07:43,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:07:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:07:43,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:07:43,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:07:43,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 05:07:44,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:07:44,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 237 states and 319 transitions. [2023-12-03 05:07:44,584 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 319 transitions. [2023-12-03 05:07:44,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 05:07:44,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:07:44,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:07:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:07:44,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 05:07:44,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:07:44,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 05:07:44,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-03 05:07:45,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 05:07:45,069 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 05:07:45,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:07:45,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 238 states and 321 transitions. [2023-12-03 05:07:45,753 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 321 transitions. [2023-12-03 05:07:45,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 05:07:45,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:07:45,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:07:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:07:45,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:07:45,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:07:45,988 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 05:07:46,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:07:46,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 238 states and 317 transitions. [2023-12-03 05:07:46,010 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 317 transitions. [2023-12-03 05:07:46,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 05:07:46,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:07:46,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:07:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:07:46,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:07:46,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:07:46,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 05:07:56,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:07:56,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:07:56,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 238 states and 315 transitions. [2023-12-03 05:07:56,346 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 315 transitions. [2023-12-03 05:07:56,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 05:07:56,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:07:56,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:07:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:07:56,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:07:56,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:07:56,722 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 05:08:06,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:08:16,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:08:26,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:08:36,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:08:36,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:08:36,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 221 states and 294 transitions. [2023-12-03 05:08:36,969 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 294 transitions. [2023-12-03 05:08:36,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 05:08:36,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:08:36,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:08:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:08:37,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:08:37,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:08:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 05:08:47,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:08:57,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:09:07,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:09:17,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:09:17,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:17,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 224 states and 296 transitions. [2023-12-03 05:09:17,504 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 296 transitions. [2023-12-03 05:09:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 05:09:17,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:17,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:09:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:17,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:09:17,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:17,843 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 05:09:17,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:17,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 224 states and 294 transitions. [2023-12-03 05:09:17,875 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 294 transitions. [2023-12-03 05:09:17,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 05:09:17,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:17,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:09:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:18,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 05:09:18,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:18,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 05:09:18,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-03 05:09:18,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 05:09:18,461 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 05:09:19,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:19,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 227 states and 296 transitions. [2023-12-03 05:09:19,324 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 296 transitions. [2023-12-03 05:09:19,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 05:09:19,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:19,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:09:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 05:09:29,590 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 05:09:29,593 INFO L158 Benchmark]: Toolchain (without parser) took 391284.93ms. Allocated memory was 151.0MB in the beginning and 295.7MB in the end (delta: 144.7MB). Free memory was 115.8MB in the beginning and 114.7MB in the end (delta: 1.0MB). Peak memory consumption was 148.2MB. Max. memory is 16.1GB. [2023-12-03 05:09:29,593 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:09:29,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.84ms. Allocated memory is still 151.0MB. Free memory was 115.8MB in the beginning and 81.0MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 05:09:29,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.94ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 81.0MB in the beginning and 156.7MB in the end (delta: -75.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-12-03 05:09:29,595 INFO L158 Benchmark]: Boogie Preprocessor took 125.30ms. Allocated memory is still 192.9MB. Free memory was 156.7MB in the beginning and 147.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 05:09:29,595 INFO L158 Benchmark]: RCFGBuilder took 4319.48ms. Allocated memory was 192.9MB in the beginning and 245.4MB in the end (delta: 52.4MB). Free memory was 147.3MB in the beginning and 110.1MB in the end (delta: 37.2MB). Peak memory consumption was 108.5MB. Max. memory is 16.1GB. [2023-12-03 05:09:29,595 INFO L158 Benchmark]: CodeCheck took 386068.49ms. Allocated memory was 245.4MB in the beginning and 295.7MB in the end (delta: 50.3MB). Free memory was 110.1MB in the beginning and 114.7MB in the end (delta: -4.6MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2023-12-03 05:09:29,597 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.84ms. Allocated memory is still 151.0MB. Free memory was 115.8MB in the beginning and 81.0MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.94ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 81.0MB in the beginning and 156.7MB in the end (delta: -75.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.30ms. Allocated memory is still 192.9MB. Free memory was 156.7MB in the beginning and 147.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4319.48ms. Allocated memory was 192.9MB in the beginning and 245.4MB in the end (delta: 52.4MB). Free memory was 147.3MB in the beginning and 110.1MB in the end (delta: 37.2MB). Peak memory consumption was 108.5MB. Max. memory is 16.1GB. * CodeCheck took 386068.49ms. Allocated memory was 245.4MB in the beginning and 295.7MB in the end (delta: 50.3MB). Free memory was 110.1MB in the beginning and 114.7MB in the end (delta: -4.6MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 05:09:29,807 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 05:09:29,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9 --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 be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 05:09:31,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 05:09:31,559 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 05:09:31,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 05:09:31,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 05:09:31,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 05:09:31,595 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 05:09:31,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 05:09:31,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 05:09:31,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 05:09:31,598 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 05:09:31,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 05:09:31,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 05:09:31,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 05:09:31,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 05:09:31,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 05:09:31,601 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 05:09:31,601 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 05:09:31,602 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 05:09:31,603 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 05:09:31,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 05:09:31,605 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 05:09:31,606 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 05:09:31,606 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 05:09:31,607 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 05:09:31,607 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:31,608 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 05:09:31,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 05:09:31,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:09:31,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 05:09:31,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 05:09:31,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 05:09:31,610 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 05:09:31,610 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:31,610 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 05:09:31,611 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 05:09:31,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 05:09:31,611 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 [2023-12-03 05:09:31,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 05:09:31,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 05:09:31,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 05:09:31,935 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 05:09:31,935 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 05:09:31,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i [2023-12-03 05:09:34,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 05:09:35,010 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 05:09:35,011 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i [2023-12-03 05:09:35,029 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/data/bf7a70bcb/b908a8190eda48a39d7abe5115ba39c3/FLAG98ec421a9 [2023-12-03 05:09:35,046 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/data/bf7a70bcb/b908a8190eda48a39d7abe5115ba39c3 [2023-12-03 05:09:35,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 05:09:35,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 05:09:35,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 05:09:35,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 05:09:35,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 05:09:35,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:09:35" (1/1) ... [2023-12-03 05:09:35,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c52125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:35, skipping insertion in model container [2023-12-03 05:09:35,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:09:35" (1/1) ... [2023-12-03 05:09:35,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 05:09:35,523 WARN L240 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_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i[33519,33532] [2023-12-03 05:09:35,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:09:35,652 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 05:09:35,678 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 05:09:35,700 WARN L240 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_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i[33519,33532] [2023-12-03 05:09:35,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:09:35,773 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 05:09:35,803 WARN L240 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_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i[33519,33532] [2023-12-03 05:09:35,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:09:35,891 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:09:35,899 INFO L206 MainTranslator]: Completed translation [2023-12-03 05:09:35,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:35 WrapperNode [2023-12-03 05:09:35,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 05:09:35,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 05:09:35,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 05:09:35,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 05:09:35,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:35" (1/1) ... [2023-12-03 05:09:35,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:35" (1/1) ... [2023-12-03 05:09:36,010 INFO L138 Inliner]: procedures = 180, calls = 332, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1168 [2023-12-03 05:09:36,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 05:09:36,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 05:09:36,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 05:09:36,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 05:09:36,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:35" (1/1) ... [2023-12-03 05:09:36,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:35" (1/1) ... [2023-12-03 05:09:36,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:35" (1/1) ... [2023-12-03 05:09:36,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:35" (1/1) ... [2023-12-03 05:09:36,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:35" (1/1) ... [2023-12-03 05:09:36,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:35" (1/1) ... [2023-12-03 05:09:36,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:35" (1/1) ... [2023-12-03 05:09:36,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:35" (1/1) ... [2023-12-03 05:09:36,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 05:09:36,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 05:09:36,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 05:09:36,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 05:09:36,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:35" (1/1) ... [2023-12-03 05:09:36,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:09:36,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 05:09:36,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 05:09:36,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 05:09:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 05:09:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 05:09:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 05:09:36,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 05:09:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 05:09:36,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 05:09:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 05:09:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 05:09:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 05:09:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 05:09:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 05:09:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 05:09:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 05:09:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 05:09:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 05:09:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 05:09:36,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 05:09:36,405 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 05:09:36,407 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 05:09:51,512 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 05:09:52,038 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 05:09:52,038 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-03 05:09:52,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:09:52 BoogieIcfgContainer [2023-12-03 05:09:52,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 05:09:52,041 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 05:09:52,041 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 05:09:52,050 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 05:09:52,050 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:09:52" (1/1) ... [2023-12-03 05:09:52,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 05:09:52,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:52,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 138 states and 233 transitions. [2023-12-03 05:09:52,119 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 233 transitions. [2023-12-03 05:09:52,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 05:09:52,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:52,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:52,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:09:52,124 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:09:52,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 05:09:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:52,439 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:09:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:52,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:09:52,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:09:52,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 05:09:52,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 138 states and 230 transitions. [2023-12-03 05:09:52,572 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 230 transitions. [2023-12-03 05:09:52,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 05:09:52,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:52,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:52,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:09:52,576 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:09:52,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 05:09:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:52,907 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:09:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:52,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:09:52,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:53,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:09:53,097 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 05:09:53,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 05:09:53,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:53,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 145 states and 241 transitions. [2023-12-03 05:09:53,361 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 241 transitions. [2023-12-03 05:09:53,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 05:09:53,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:53,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:53,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:09:53,364 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:09:53,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 05:09:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:53,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:09:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:53,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:09:53,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:53,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:09:53,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 05:09:53,749 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 05:09:53,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:53,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 145 states and 239 transitions. [2023-12-03 05:09:53,759 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 239 transitions. [2023-12-03 05:09:53,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 05:09:53,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:53,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:53,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:09:53,765 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:09:53,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 05:09:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:54,064 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:09:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:54,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:09:54,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:54,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:09:54,141 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 05:09:54,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 05:09:54,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:54,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 145 states and 235 transitions. [2023-12-03 05:09:54,150 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 235 transitions. [2023-12-03 05:09:54,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 05:09:54,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:54,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:54,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:09:54,153 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:09:54,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 05:09:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:54,478 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:09:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:54,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:09:54,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:54,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:09:54,601 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 05:09:54,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 05:09:54,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:54,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 145 states and 233 transitions. [2023-12-03 05:09:54,611 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 233 transitions. [2023-12-03 05:09:54,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 05:09:54,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:54,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:54,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:09:54,615 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:09:54,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 05:09:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:54,903 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:09:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:54,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:09:54,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:54,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:09:54,967 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 05:09:54,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 05:09:54,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 145 states and 231 transitions. [2023-12-03 05:09:54,990 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 231 transitions. [2023-12-03 05:09:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 05:09:54,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:54,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:54,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:09:54,993 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:09:54,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 05:09:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:55,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:09:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:55,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:09:55,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:55,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:09:55,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 05:09:55,400 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 05:09:55,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:55,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 145 states and 227 transitions. [2023-12-03 05:09:55,409 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 227 transitions. [2023-12-03 05:09:55,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 05:09:55,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:55,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:55,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:09:55,412 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:09:55,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 05:09:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:55,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:09:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:55,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:09:55,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:09:55,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 05:09:55,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:55,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 145 states and 225 transitions. [2023-12-03 05:09:55,868 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 225 transitions. [2023-12-03 05:09:55,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 05:09:55,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:55,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:55,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:09:55,871 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:09:55,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 05:09:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:56,264 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:09:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:56,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 05:09:56,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:56,395 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 05:09:56,396 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 05:09:56,396 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 05:09:56,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-03 05:09:56,536 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 05:09:56,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-03 05:09:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:09:56,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 05:09:56,647 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 05:09:57,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:57,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 150 states and 234 transitions. [2023-12-03 05:09:57,906 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 234 transitions. [2023-12-03 05:09:57,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 05:09:57,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:57,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:57,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:09:57,908 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:09:57,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 05:09:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:58,170 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:09:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:58,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:09:58,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:58,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:09:58,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 05:09:58,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:58,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 150 states and 228 transitions. [2023-12-03 05:09:58,312 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 228 transitions. [2023-12-03 05:09:58,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 05:09:58,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:58,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:58,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:09:58,314 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:09:58,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 05:09:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:58,683 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:09:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:58,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:09:58,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:58,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:09:58,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 05:09:59,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:59,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 150 states and 222 transitions. [2023-12-03 05:09:59,763 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 222 transitions. [2023-12-03 05:09:59,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 05:09:59,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:59,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:59,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:09:59,765 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:09:59,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 05:10:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:00,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:00,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:00,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:10:00,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 05:10:00,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:00,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 161 states and 233 transitions. [2023-12-03 05:10:00,848 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 233 transitions. [2023-12-03 05:10:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 05:10:00,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:00,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:00,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:00,850 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:00,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 05:10:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:01,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:01,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:10:01,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:10:01,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 05:10:01,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:01,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 161 states and 231 transitions. [2023-12-03 05:10:01,509 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 231 transitions. [2023-12-03 05:10:01,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 05:10:01,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:01,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:01,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:01,511 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:01,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 05:10:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:01,953 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:02,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:10:02,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:02,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:10:02,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 05:10:02,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:02,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 161 states and 229 transitions. [2023-12-03 05:10:02,186 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 229 transitions. [2023-12-03 05:10:02,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 05:10:02,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:02,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:02,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:02,187 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:02,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 05:10:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:02,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:02,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:10:02,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:02,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:10:02,961 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 05:10:02,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-03 05:10:02,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:02,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 161 states and 227 transitions. [2023-12-03 05:10:02,971 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 227 transitions. [2023-12-03 05:10:02,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 05:10:02,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:02,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:02,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:02,973 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:02,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 05:10:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:03,519 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:03,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:03,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:03,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:03,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 05:10:03,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:03,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:03,983 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:03,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:03,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:03,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:03,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:03,985 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:03,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 05:10:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:04,630 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:04,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:04,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:05,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:05,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 05:10:05,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:05,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:05,216 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:05,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:05,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:05,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:05,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:05,218 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:05,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 05:10:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:05,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:06,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:06,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:06,255 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:06,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 05:10:06,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:06,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:06,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:06,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:06,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:06,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:06,277 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:06,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 05:10:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:06,967 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:07,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:07,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:07,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:07,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 05:10:07,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:07,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:07,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:07,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:07,293 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:07,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 05:10:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:07,988 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:08,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:08,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:08,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:08,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 05:10:08,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:08,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:08,371 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:08,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:08,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:08,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:08,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:08,373 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:08,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 05:10:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:09,095 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:09,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:09,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:09,441 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:09,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 05:10:09,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:09,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:09,458 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:09,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:09,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:09,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:09,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:09,460 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:09,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 05:10:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:10,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:10,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:10,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:10,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:10,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 05:10:10,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:10,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:10,589 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:10,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:10,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:10,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:10,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:10,591 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:10,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 05:10:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:11,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:11,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:11,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:11,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:11,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 05:10:11,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:11,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:11,834 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:11,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:11,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:11,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:11,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:11,836 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:11,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 05:10:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:12,805 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:13,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:13,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:13,148 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:13,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 05:10:13,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:13,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:13,168 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:13,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:13,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:13,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:13,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:13,170 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:13,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 05:10:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:14,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:14,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:14,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:14,438 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:14,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 05:10:14,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:14,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:14,459 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:14,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:14,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:14,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:14,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:14,461 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:14,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 05:10:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:15,453 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:15,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:15,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:15,767 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:15,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 05:10:15,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:15,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:15,790 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:15,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:15,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:15,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:15,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:15,791 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:15,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 05:10:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:16,863 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:17,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:17,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:17,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:17,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 05:10:17,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:17,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:17,183 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:17,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:17,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:17,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:17,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:17,185 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:17,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 05:10:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:18,210 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:18,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:18,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:18,540 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:18,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2023-12-03 05:10:18,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:18,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:18,563 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:18,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:18,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:18,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:18,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:18,565 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:18,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 05:10:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:19,775 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:20,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:20,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:20,091 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:20,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 05:10:20,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:20,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:20,115 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:20,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:20,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:20,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:20,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:20,116 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:20,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 05:10:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:21,294 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:21,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:21,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:21,597 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:21,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 05:10:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:21,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:21,622 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:21,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:21,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:21,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:21,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:21,624 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:21,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 05:10:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:22,800 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:23,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:23,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:23,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:23,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 05:10:23,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:23,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:23,128 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:23,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:23,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:23,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:23,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:23,129 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:23,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 05:10:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:24,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:24,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:24,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:24,620 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:24,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 05:10:24,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:24,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:24,649 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:24,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:24,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:24,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:24,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:24,651 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:24,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 05:10:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:25,894 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:26,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:26,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:26,220 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:26,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 05:10:26,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:26,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:26,248 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:26,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:26,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:26,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:26,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:26,250 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:26,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 05:10:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:27,585 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:27,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:27,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:27,900 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:27,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2023-12-03 05:10:27,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:27,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:27,931 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:27,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:27,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:27,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:27,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:27,932 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:27,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 05:10:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:29,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:29,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:29,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:29,540 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:29,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 05:10:29,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:29,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:29,571 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:29,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:29,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:29,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:29,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:29,572 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:29,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 05:10:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:31,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:31,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:31,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:31,311 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:31,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 05:10:31,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:31,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:31,340 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:31,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:31,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:31,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:31,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:31,342 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:31,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 05:10:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:32,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:32,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:32,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:32,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:32,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 05:10:33,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:33,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:33,007 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:33,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:33,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:33,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:33,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:33,008 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:33,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 05:10:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:34,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:34,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:34,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:34,677 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:34,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2023-12-03 05:10:34,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:34,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:34,707 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:34,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:34,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:34,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:34,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:34,709 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:34,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 05:10:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:36,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:36,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:36,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:36,355 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:36,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 05:10:36,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:36,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:36,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:36,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:36,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:36,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:36,392 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:36,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 05:10:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:37,814 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:38,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:38,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:38,115 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:38,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 05:10:38,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:38,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:38,146 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:38,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:38,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:38,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:38,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:38,148 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:38,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 05:10:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:39,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:40,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:40,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:40,250 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:40,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 05:10:40,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:40,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:40,283 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:40,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:40,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:40,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:40,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:40,285 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:40,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 05:10:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:41,847 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:42,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:42,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:42,135 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:42,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 05:10:42,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:42,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:42,169 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:42,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:42,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:42,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:42,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:42,170 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:42,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 05:10:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:43,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:44,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:44,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:44,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:44,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 05:10:44,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:44,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:44,127 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:44,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:44,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:44,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:44,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:44,128 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:44,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 05:10:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:45,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:46,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:46,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:46,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 05:10:46,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:46,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:46,074 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:46,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:46,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:46,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:46,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:46,075 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:46,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 05:10:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:47,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:48,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:48,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:48,154 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:48,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 05:10:48,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:48,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:48,194 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:48,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:48,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:48,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:48,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:48,195 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:48,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 05:10:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:50,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:50,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:50,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:50,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:50,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 05:10:50,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:50,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:50,389 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:50,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:50,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:50,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:50,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:50,391 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:50,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 05:10:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:52,294 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:52,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:52,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:52,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 05:10:52,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:52,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:52,662 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:52,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:52,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:52,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:52,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:52,664 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:52,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 05:10:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:54,634 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:54,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:54,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:54,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:55,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 05:10:55,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:55,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:55,015 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:55,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:55,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:55,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:55,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:55,017 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:55,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 05:10:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:56,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:57,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:57,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:57,227 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:57,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2023-12-03 05:10:57,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:57,268 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:57,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:57,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:57,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:57,269 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:57,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 05:10:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:59,261 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:59,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:10:59,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:59,563 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:10:59,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2023-12-03 05:10:59,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:59,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:10:59,602 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:10:59,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:10:59,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:59,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:59,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:59,604 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:59,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 05:11:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:01,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:01,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:01,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:01,639 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:01,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 05:11:01,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:01,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:01,679 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:01,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:01,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:01,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:01,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:01,681 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:01,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 05:11:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:03,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:03,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:03,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:03,991 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:04,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 05:11:04,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:04,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:04,033 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:04,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:04,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:04,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:04,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:04,035 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:04,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 05:11:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:06,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:06,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:06,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:06,393 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:06,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 05:11:06,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:06,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:06,435 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:06,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:06,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:06,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:06,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:06,436 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:06,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 05:11:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:08,331 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:08,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:08,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:08,638 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:08,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 05:11:08,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:08,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:08,681 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:08,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:08,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:08,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:08,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:08,683 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:08,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 05:11:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:10,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:11,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:11,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:11,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:11,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 05:11:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:11,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:11,095 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:11,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:11,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:11,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:11,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:11,096 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:11,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 05:11:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:13,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:13,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:13,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:13,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:13,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 05:11:13,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:13,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:13,449 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:13,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:13,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:13,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:13,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:13,451 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:13,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 05:11:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:15,939 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:16,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:16,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:16,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:16,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 05:11:16,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:16,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:16,280 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:16,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:16,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:16,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:16,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:16,282 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:16,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 05:11:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:18,672 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:18,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:18,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:18,993 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:19,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 05:11:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:19,023 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:19,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:19,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:19,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:19,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:19,024 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:19,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 05:11:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:21,338 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:21,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:21,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:21,625 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:21,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2023-12-03 05:11:21,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:21,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:21,655 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:21,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:21,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:21,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:21,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:21,656 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:21,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 05:11:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:24,115 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:24,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:24,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:24,413 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:24,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 05:11:24,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:24,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:24,444 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:24,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:24,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:24,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:24,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:24,446 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:24,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 05:11:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:26,813 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:27,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:27,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:27,173 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:27,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 05:11:27,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:27,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:27,203 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:27,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:27,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:27,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:27,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:27,205 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:27,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 05:11:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:29,629 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:29,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:29,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:29,916 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:29,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 05:11:29,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:29,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:29,952 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:29,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:29,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:29,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:29,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:29,954 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:29,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 05:11:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:32,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:32,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:32,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:32,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:32,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 05:11:32,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:32,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:32,733 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:32,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:32,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:32,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:32,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:32,735 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:32,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 05:11:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:35,101 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:35,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:35,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:35,426 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:35,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 05:11:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:35,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:35,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:35,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:35,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:35,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:35,464 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:35,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 05:11:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:38,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:38,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:38,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:38,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:38,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 05:11:38,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:38,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:38,431 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:38,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:38,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:38,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:38,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:38,433 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:38,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 05:11:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:40,863 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:41,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:41,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:41,189 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:41,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 05:11:41,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:41,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:41,220 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:41,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:41,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:41,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:41,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:41,222 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:41,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 05:11:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:43,898 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:44,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:44,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:44,197 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:44,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Forceful destruction successful, exit code 0 [2023-12-03 05:11:44,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:44,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:44,233 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:44,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:44,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:44,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:44,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:44,234 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:44,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 05:11:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:46,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:47,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:47,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:47,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 05:11:47,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:47,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:47,327 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:47,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:47,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:47,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:47,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:47,329 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:47,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 05:11:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:50,052 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:50,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:50,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:50,374 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:50,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 05:11:50,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:50,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:50,407 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:50,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:50,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:50,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:50,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:50,408 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:50,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 05:11:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:53,010 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:53,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:53,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:53,302 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:53,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 05:11:53,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:53,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:53,335 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:53,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:53,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:53,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:53,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:53,337 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:53,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 05:11:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:55,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:55,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:55,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:55,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 05:11:55,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:55,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:55,992 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:55,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:55,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:55,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:55,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:55,993 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:55,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 05:11:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:58,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:58,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:11:58,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:11:58,853 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:11:58,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 05:11:58,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:11:58,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:11:58,889 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:11:58,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:11:58,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:11:58,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:11:58,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:11:58,891 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:11:58,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 05:12:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:01,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:12:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:01,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:12:01,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:12:01,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:12:01,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2023-12-03 05:12:01,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:12:01,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:12:01,943 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:12:01,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:12:01,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:12:01,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:12:01,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:12:01,945 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:12:01,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 05:12:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:04,859 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:12:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:05,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:12:05,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:12:05,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:12:05,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 05:12:05,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:12:05,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:12:05,193 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:12:05,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:12:05,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:12:05,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:12:05,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:12:05,194 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:12:05,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 05:12:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:08,196 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:12:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:08,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:12:08,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:12:08,475 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:12:08,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 05:12:08,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:12:08,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:12:08,511 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:12:08,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:12:08,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:12:08,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:12:08,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:12:08,512 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:12:08,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 05:12:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:11,339 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:12:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:11,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:12:11,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:12:11,665 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:12:11,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2023-12-03 05:12:11,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:12:11,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:12:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:12:11,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:12:11,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:12:11,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:12:11,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:12:11,702 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:12:11,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 05:12:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:14,503 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:12:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:14,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:12:14,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:12:14,832 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:12:14,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 05:12:14,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:12:14,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:12:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:12:14,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:12:14,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:12:14,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:12:14,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:12:14,871 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:12:14,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 05:12:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:17,390 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:12:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:17,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:12:17,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:12:17,695 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:12:17,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 05:12:17,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:12:17,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:12:17,731 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:12:17,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:12:17,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:12:17,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:12:17,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:12:17,733 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:12:17,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 05:12:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:20,830 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:12:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:21,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:12:21,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:12:21,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:12:21,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 05:12:21,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:12:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:12:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:12:21,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:12:21,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:12:21,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:12:21,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:12:21,189 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:12:21,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 05:12:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:23,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:12:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:24,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:12:24,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:12:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:12:24,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 05:12:24,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:12:24,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:12:24,321 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:12:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:12:24,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:12:24,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:12:24,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:12:24,322 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:12:24,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 05:12:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:27,342 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:12:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:27,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:12:27,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:12:27,690 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:12:27,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 05:12:27,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:12:27,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:12:27,728 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:12:27,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:12:27,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:12:27,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:12:27,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:12:27,729 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:12:27,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 05:12:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:30,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:12:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:31,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:12:31,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:12:31,219 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:12:31,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 05:12:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:12:31,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:12:31,256 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:12:31,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:12:31,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:12:31,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:12:31,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:12:31,258 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:12:31,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 05:12:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:34,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:12:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:34,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:12:34,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:12:34,814 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:12:34,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 05:12:34,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:12:34,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:12:34,851 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:12:34,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:12:34,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:12:34,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:12:34,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:12:34,853 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:12:34,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 05:12:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:37,879 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:12:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:38,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:12:38,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:12:38,180 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:12:38,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 05:12:38,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:12:38,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:12:38,219 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:12:38,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:12:38,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:12:38,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:12:38,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:12:38,220 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:12:38,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 05:12:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:41,452 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:12:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:41,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:12:41,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:12:41,740 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:12:41,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 05:12:41,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:12:41,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:12:41,782 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:12:41,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:12:41,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:12:41,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:12:41,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:12:41,783 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:12:41,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 05:12:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:45,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:12:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:45,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:12:45,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:12:45,316 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:12:45,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 05:12:45,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:12:45,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:12:45,356 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:12:45,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:12:45,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:12:45,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:12:45,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:12:45,357 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:12:45,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 05:12:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:48,636 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:12:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:48,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:12:48,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:12:48,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:12:48,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 05:12:48,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:12:48,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:12:48,973 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:12:48,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:12:48,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:12:48,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:12:48,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:12:48,975 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:12:48,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 05:12:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:52,479 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:12:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:52,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:12:52,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:12:52,767 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:12:52,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 05:12:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:12:52,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:12:52,828 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:12:52,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:12:52,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:12:52,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:12:52,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:12:52,830 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:12:52,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 05:12:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:56,241 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:12:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:56,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:12:56,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:12:56,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:12:56,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 05:12:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:12:56,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:12:56,616 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:12:56,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:12:56,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:12:56,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:12:56,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:12:56,618 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:12:56,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 05:12:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:12:59,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:13:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:00,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:13:00,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:13:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:13:00,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 05:13:00,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:13:00,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:13:00,315 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:13:00,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:13:00,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:13:00,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:13:00,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:13:00,317 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:13:00,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 05:13:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:03,478 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:13:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:03,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:13:03,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:13:03,776 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:13:03,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 05:13:03,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:13:03,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:13:03,839 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:13:03,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:13:03,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:13:03,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:13:03,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:13:03,840 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:13:03,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 05:13:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:07,020 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:13:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:07,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:13:07,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:13:07,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:13:07,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 05:13:07,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:13:07,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:13:07,396 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:13:07,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:13:07,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:13:07,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:13:07,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:13:07,398 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:13:07,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 05:13:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:10,833 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:13:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:11,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:13:11,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:13:11,129 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:13:11,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 05:13:11,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:13:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:13:11,172 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:13:11,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:13:11,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:13:11,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:13:11,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:13:11,173 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:13:11,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 05:13:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:14,942 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:13:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:15,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:13:15,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:13:15,239 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:13:15,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 05:13:15,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:13:15,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:13:15,301 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:13:15,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:13:15,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:13:15,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:13:15,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:13:15,303 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:13:15,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 05:13:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:18,861 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:13:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:19,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:13:19,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:13:19,156 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:13:19,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 05:13:19,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:13:19,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:13:19,199 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:13:19,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:13:19,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:13:19,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:13:19,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:13:19,200 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:13:19,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 05:13:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:22,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:13:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:23,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:13:23,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:13:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:13:23,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 05:13:23,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:13:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:13:23,083 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:13:23,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:13:23,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:13:23,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:13:23,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:13:23,084 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:13:23,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 05:13:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:26,752 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:13:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:27,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:13:27,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:13:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:13:27,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 05:13:27,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:13:27,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:13:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:13:27,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:13:27,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:13:27,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:13:27,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:13:27,159 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:13:27,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 05:13:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:30,615 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:13:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:30,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:13:30,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:13:30,919 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:13:30,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 05:13:30,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:13:30,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:13:30,963 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:13:30,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:13:30,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:13:30,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:13:30,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:13:30,964 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:13:30,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 05:13:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:34,862 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:13:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:35,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:13:35,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:13:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:13:35,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 05:13:35,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:13:35,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:13:35,225 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:13:35,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:13:35,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:13:35,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:13:35,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:13:35,227 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:13:35,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 05:13:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:39,196 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:13:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:39,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:13:39,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:13:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:13:39,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Forceful destruction successful, exit code 0 [2023-12-03 05:13:39,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:13:39,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:13:39,576 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:13:39,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:13:39,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:13:39,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:13:39,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:13:39,577 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:13:39,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 05:13:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:43,611 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:13:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:43,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:13:43,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:13:43,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:13:43,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 05:13:43,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:13:43,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:13:43,972 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:13:43,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:13:43,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:13:43,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:13:43,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:13:43,973 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:13:43,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 05:13:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:47,824 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:13:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:48,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:13:48,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:13:48,132 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:13:48,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 05:13:48,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:13:48,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:13:48,177 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:13:48,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:13:48,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:13:48,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:13:48,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:13:48,178 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:13:48,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 05:13:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:52,257 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:13:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:52,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:13:52,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:13:52,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:13:52,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 05:13:52,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:13:52,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:13:52,601 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:13:52,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:13:52,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:13:52,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:13:52,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:13:52,602 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:13:52,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 05:13:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:56,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:13:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:13:57,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:13:57,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:13:57,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:13:57,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 05:13:57,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:13:57,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:13:57,114 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:13:57,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:13:57,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:13:57,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:13:57,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:13:57,115 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:13:57,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 05:14:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:01,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:14:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:01,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:14:01,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:14:01,358 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:14:01,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 05:14:01,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:14:01,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:14:01,405 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:14:01,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:14:01,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:14:01,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:14:01,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:14:01,406 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:14:01,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 05:14:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:05,617 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:14:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:05,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:14:05,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:14:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:14:05,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 05:14:05,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:14:05,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:14:05,975 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:14:05,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:14:05,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:14:05,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:14:05,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:14:05,976 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:14:05,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 05:14:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:09,965 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:14:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:10,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:14:10,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:14:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:14:10,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 05:14:10,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:14:10,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:14:10,333 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:14:10,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:14:10,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:14:10,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:14:10,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:14:10,334 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:14:10,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 05:14:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:14,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:14:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:14,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:14:14,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:14:14,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:14:14,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 05:14:14,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:14:14,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:14:14,730 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:14:14,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:14:14,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:14:14,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:14:14,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:14:14,732 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:14:14,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 05:14:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:18,956 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:14:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:19,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:14:19,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:14:19,311 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:14:19,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 05:14:19,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:14:19,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:14:19,359 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:14:19,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:14:19,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:14:19,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:14:19,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:14:19,361 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:14:19,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 05:14:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:23,748 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:14:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:24,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:14:24,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:14:24,039 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:14:24,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 05:14:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:14:24,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:14:24,087 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:14:24,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:14:24,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:14:24,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:14:24,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:14:24,088 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:14:24,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 05:14:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:28,315 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:14:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:28,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:14:28,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:14:28,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:14:28,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 05:14:28,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:14:28,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:14:28,668 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:14:28,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:14:28,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:14:28,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:14:28,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:14:28,670 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:14:28,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 05:14:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:33,103 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:14:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:33,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:14:33,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:14:33,422 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:14:33,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 05:14:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:14:33,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:14:33,476 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:14:33,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:14:33,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:14:33,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:14:33,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:14:33,477 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:14:33,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 05:14:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:37,497 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:14:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:37,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:14:37,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:14:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:14:37,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 05:14:37,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:14:37,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:14:37,873 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:14:37,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:14:37,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:14:37,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:14:37,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:14:37,874 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:14:37,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 05:14:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:42,185 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:14:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:42,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:14:42,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:14:42,511 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:14:42,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 05:14:42,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:14:42,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:14:42,562 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:14:42,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:14:42,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:14:42,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:14:42,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:14:42,563 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:14:42,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 05:14:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:46,831 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:14:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:47,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:14:47,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:14:47,160 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:14:47,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 05:14:47,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:14:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:14:47,210 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:14:47,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:14:47,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:14:47,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:14:47,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:14:47,212 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:14:47,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 05:14:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:51,784 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:14:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:52,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:14:52,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:14:52,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:14:52,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 05:14:52,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:14:52,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:14:52,162 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:14:52,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:14:52,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:14:52,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:14:52,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:14:52,163 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:14:52,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 05:14:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:56,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:14:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:14:56,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:14:56,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:14:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:14:57,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 05:14:57,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:14:57,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:14:57,025 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:14:57,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:14:57,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:14:57,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:14:57,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:14:57,027 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:14:57,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 05:15:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:01,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:15:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:02,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:15:02,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:15:02,021 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:15:02,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 05:15:02,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:15:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:15:02,073 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:15:02,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:15:02,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:15:02,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:15:02,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:15:02,075 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:15:02,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 05:15:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:06,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:15:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:06,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:15:06,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:15:06,872 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:15:06,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 05:15:06,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:15:06,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:15:06,924 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:15:06,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:15:06,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:15:06,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:15:06,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:15:06,926 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:15:06,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 05:15:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:11,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:15:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:11,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:15:11,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:15:11,745 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:15:11,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 05:15:11,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:15:11,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:15:11,798 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:15:11,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:15:11,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:15:11,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:15:11,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:15:11,799 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:15:11,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 05:15:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:16,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:15:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:16,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:15:16,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:15:16,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:15:16,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 05:15:16,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:15:16,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:15:16,953 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:15:16,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:15:16,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:15:16,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:15:16,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:15:16,955 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:15:16,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 05:15:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:21,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:15:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:21,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:15:21,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:15:21,688 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:15:21,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 05:15:21,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:15:21,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:15:21,742 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:15:21,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:15:21,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:15:21,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:15:21,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:15:21,743 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:15:21,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 05:15:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:26,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:15:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:26,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:15:26,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:15:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:15:26,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 05:15:26,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:15:26,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:15:26,743 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:15:26,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:15:26,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:15:26,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:15:26,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:15:26,744 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:15:26,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 05:15:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:31,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:15:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:32,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:15:32,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:15:32,152 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:15:32,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 05:15:32,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:15:32,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:15:32,207 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:15:32,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:15:32,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:15:32,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:15:32,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:15:32,208 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:15:32,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 05:15:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:37,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:15:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:37,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:15:37,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:15:37,466 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:15:37,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 05:15:37,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:15:37,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:15:37,520 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:15:37,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:15:37,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:15:37,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:15:37,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:15:37,522 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:15:37,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 05:15:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:42,353 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:15:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:42,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:15:42,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:15:42,691 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:15:42,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 05:15:42,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:15:42,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:15:42,746 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:15:42,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:15:42,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:15:42,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:15:42,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:15:42,748 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:15:42,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 05:15:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:47,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:15:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:47,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:15:47,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:15:47,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:15:47,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 05:15:47,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:15:47,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:15:47,984 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:15:47,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:15:47,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:15:47,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:15:47,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:15:47,986 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:15:47,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 05:15:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:52,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:15:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:53,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:15:53,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:15:53,297 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:15:53,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 05:15:53,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:15:53,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:15:53,356 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:15:53,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:15:53,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:15:53,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:15:53,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:15:53,357 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:15:53,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 05:15:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:58,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:15:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:15:58,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:15:58,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:15:58,866 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:15:58,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 05:15:58,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:15:58,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:15:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:15:58,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:15:58,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:15:58,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:15:58,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:15:58,925 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:15:58,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 05:16:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:16:03,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:16:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:16:04,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:16:04,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:16:04,058 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:16:04,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 05:16:04,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:16:04,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:16:04,115 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:16:04,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:16:04,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:16:04,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:16:04,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:16:04,116 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:16:04,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 05:16:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:16:08,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:16:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:16:09,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:16:09,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:16:09,302 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:16:09,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 05:16:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:16:09,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:16:09,358 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:16:09,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:16:09,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:16:09,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:16:09,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:16:09,360 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:16:09,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 05:16:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:16:14,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:16:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:16:14,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:16:14,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:16:14,657 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:16:14,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 05:16:14,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:16:14,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:16:14,714 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:16:14,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:16:14,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:16:14,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:16:14,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:16:14,716 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:16:14,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 05:16:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:16:20,249 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:16:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:16:20,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:16:20,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:16:20,544 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:16:20,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 05:16:20,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:16:20,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:16:20,602 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:16:20,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:16:20,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:16:20,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:16:20,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:16:20,603 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:16:20,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 05:16:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:16:25,558 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:16:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:16:25,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:16:25,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:16:25,858 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:16:25,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 05:16:25,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:16:25,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:16:25,915 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:16:25,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:16:25,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:16:25,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:16:25,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:16:25,917 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:16:25,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 05:16:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:16:31,349 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:16:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:16:31,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:16:31,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:16:31,639 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:16:31,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 05:16:31,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:16:31,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:16:31,697 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:16:31,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:16:31,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:16:31,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:16:31,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:16:31,698 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:16:31,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 05:16:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:16:36,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:16:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:16:37,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:16:37,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:16:37,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:16:37,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 05:16:37,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:16:37,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:16:37,130 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:16:37,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:16:37,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:16:37,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:16:37,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:16:37,131 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:16:37,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 05:16:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:16:41,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:16:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:16:42,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 05:16:42,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:16:42,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:16:42,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 05:16:42,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:16:42,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 164 states and 229 transitions. [2023-12-03 05:16:42,146 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-12-03 05:16:42,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 05:16:42,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:16:42,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:16:42,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:16:42,148 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:16:42,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf72565b-07d1-48fe-b9c9-e5204e3c4b91/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process