./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b --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 64bit --witnessprinter.graph.data.programhash a7b742cc0d0eaef445a8f90399cbd092d4cb10efae03dcad0c8e37a0643e7fd6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:21:01,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:21:01,501 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:21:01,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:21:01,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:21:01,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:21:01,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:21:01,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:21:01,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:21:01,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:21:01,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:21:01,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:21:01,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:21:01,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:21:01,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:21:01,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:21:01,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:21:01,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:21:01,527 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:21:01,527 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:21:01,528 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:21:01,528 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:21:01,528 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:21:01,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:21:01,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:21:01,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:21:01,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:21:01,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:21:01,528 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:21:01,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:21:01,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7b742cc0d0eaef445a8f90399cbd092d4cb10efae03dcad0c8e37a0643e7fd6 [2024-12-06 03:21:01,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:21:01,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:21:01,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:21:01,772 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:21:01,772 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:21:01,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c [2024-12-06 03:21:04,391 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/data/9a80bbd05/36a27a8af704451db1446146718a4ac0/FLAGd1bb4250f [2024-12-06 03:21:04,665 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:21:04,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c [2024-12-06 03:21:04,678 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/data/9a80bbd05/36a27a8af704451db1446146718a4ac0/FLAGd1bb4250f [2024-12-06 03:21:04,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/data/9a80bbd05/36a27a8af704451db1446146718a4ac0 [2024-12-06 03:21:04,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:21:04,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:21:04,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:21:04,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:21:04,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:21:04,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:21:04" (1/1) ... [2024-12-06 03:21:04,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aeb0313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:04, skipping insertion in model container [2024-12-06 03:21:04,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:21:04" (1/1) ... [2024-12-06 03:21:05,012 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:21:05,162 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c[1266,1279] [2024-12-06 03:21:05,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:21:05,397 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:21:05,405 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c[1266,1279] [2024-12-06 03:21:05,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:21:05,572 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:21:05,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:05 WrapperNode [2024-12-06 03:21:05,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:21:05,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:21:05,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:21:05,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:21:05,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:05" (1/1) ... [2024-12-06 03:21:05,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:05" (1/1) ... [2024-12-06 03:21:05,967 INFO L138 Inliner]: procedures = 18, calls = 107, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3714 [2024-12-06 03:21:05,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:21:05,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:21:05,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:21:05,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:21:05,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:05" (1/1) ... [2024-12-06 03:21:05,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:05" (1/1) ... [2024-12-06 03:21:06,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:05" (1/1) ... [2024-12-06 03:21:06,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:05" (1/1) ... [2024-12-06 03:21:06,188 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:05" (1/1) ... [2024-12-06 03:21:06,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:05" (1/1) ... [2024-12-06 03:21:06,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:05" (1/1) ... [2024-12-06 03:21:06,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:05" (1/1) ... [2024-12-06 03:21:06,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:05" (1/1) ... [2024-12-06 03:21:06,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:21:06,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:21:06,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:21:06,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:21:06,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:05" (1/1) ... [2024-12-06 03:21:06,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:21:06,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:21:06,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:21:06,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:21:06,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:21:06,404 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:21:06,404 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:21:06,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:21:06,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:21:06,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 03:21:06,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:21:06,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:21:06,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 03:21:06,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:21:06,703 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:21:06,704 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:21:10,330 INFO L? ?]: Removed 1909 outVars from TransFormulas that were not future-live. [2024-12-06 03:21:10,330 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:21:13,275 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:21:13,275 INFO L312 CfgBuilder]: Removed 19 assume(true) statements. [2024-12-06 03:21:13,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:21:13 BoogieIcfgContainer [2024-12-06 03:21:13,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:21:13,276 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:21:13,276 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:21:13,283 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:21:13,283 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:21:13" (1/1) ... [2024-12-06 03:21:13,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:21:13,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2024-12-06 03:21:13,333 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2024-12-06 03:21:13,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 03:21:13,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:13,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:14,222 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 03:21:14,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:14,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2024-12-06 03:21:14,516 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-12-06 03:21:14,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 03:21:14,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:14,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:15,203 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 03:21:15,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:15,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2024-12-06 03:21:15,258 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-12-06 03:21:15,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 03:21:15,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:15,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:15,843 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 03:21:15,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:15,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2024-12-06 03:21:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2024-12-06 03:21:15,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 03:21:15,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:15,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:16,572 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 03:21:16,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:16,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2024-12-06 03:21:16,638 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2024-12-06 03:21:16,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 03:21:16,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:16,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:16,997 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 03:21:17,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:17,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-12-06 03:21:17,051 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-12-06 03:21:17,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 03:21:17,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:17,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:17,462 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 03:21:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:17,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2024-12-06 03:21:17,543 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2024-12-06 03:21:17,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:21:17,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:17,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:17,946 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-06 03:21:18,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:18,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2024-12-06 03:21:18,069 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2024-12-06 03:21:18,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 03:21:18,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:18,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-06 03:21:18,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:18,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 66 transitions. [2024-12-06 03:21:18,610 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2024-12-06 03:21:18,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 03:21:18,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:18,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:19,101 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-06 03:21:19,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:19,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2024-12-06 03:21:19,205 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2024-12-06 03:21:19,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 03:21:19,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:19,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-06 03:21:19,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:19,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2024-12-06 03:21:19,840 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2024-12-06 03:21:19,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 03:21:19,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:19,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:22,957 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-12-06 03:21:25,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:25,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 58 states and 86 transitions. [2024-12-06 03:21:25,103 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2024-12-06 03:21:25,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-06 03:21:25,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:25,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-12-06 03:21:29,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:21:31,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:21:33,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:21:33,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:33,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 87 transitions. [2024-12-06 03:21:33,365 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2024-12-06 03:21:33,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-06 03:21:33,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:33,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:34,328 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-12-06 03:21:34,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:34,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 60 states and 88 transitions. [2024-12-06 03:21:34,579 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2024-12-06 03:21:34,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-06 03:21:34,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:34,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:35,257 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-06 03:21:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:35,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 61 states and 89 transitions. [2024-12-06 03:21:35,328 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2024-12-06 03:21:35,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-06 03:21:35,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:35,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:36,182 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-06 03:21:36,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:36,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2024-12-06 03:21:36,396 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2024-12-06 03:21:36,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-06 03:21:36,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:36,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:37,054 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-12-06 03:21:37,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:37,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2024-12-06 03:21:37,136 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2024-12-06 03:21:37,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-06 03:21:37,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:37,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:37,853 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-12-06 03:21:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2024-12-06 03:21:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2024-12-06 03:21:38,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-06 03:21:38,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:38,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:38,720 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-06 03:21:38,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:38,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2024-12-06 03:21:38,803 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2024-12-06 03:21:38,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-06 03:21:38,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:38,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-06 03:21:39,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2024-12-06 03:21:39,771 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2024-12-06 03:21:39,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-06 03:21:39,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:39,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:40,596 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-12-06 03:21:40,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:40,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2024-12-06 03:21:40,909 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2024-12-06 03:21:40,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-06 03:21:40,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:40,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:41,656 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-12-06 03:21:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2024-12-06 03:21:42,068 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2024-12-06 03:21:42,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-06 03:21:42,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:42,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:42,706 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-06 03:21:46,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:21:46,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:46,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2024-12-06 03:21:46,851 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2024-12-06 03:21:46,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-06 03:21:46,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:46,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:47,608 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-06 03:21:53,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:21:53,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:53,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2024-12-06 03:21:53,881 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2024-12-06 03:21:53,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-06 03:21:53,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:53,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:54,750 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-06 03:22:05,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:22:05,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:05,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2024-12-06 03:22:05,084 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2024-12-06 03:22:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-06 03:22:05,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:05,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:06,008 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-06 03:22:06,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:06,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2024-12-06 03:22:06,575 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2024-12-06 03:22:06,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-06 03:22:06,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:06,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:07,249 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-12-06 03:22:07,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:07,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2024-12-06 03:22:07,867 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2024-12-06 03:22:07,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-06 03:22:07,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:07,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:08,626 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-12-06 03:22:08,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:08,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2024-12-06 03:22:08,895 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2024-12-06 03:22:08,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-06 03:22:08,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:08,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:09,712 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-12-06 03:22:09,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:09,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2024-12-06 03:22:09,982 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2024-12-06 03:22:09,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-06 03:22:09,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:09,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:10,990 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-12-06 03:22:11,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:11,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2024-12-06 03:22:11,250 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2024-12-06 03:22:11,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-06 03:22:11,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:11,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:12,050 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-06 03:22:12,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:12,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2024-12-06 03:22:12,149 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2024-12-06 03:22:12,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-06 03:22:12,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:12,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:12,965 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-06 03:22:13,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:13,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 78 states and 106 transitions. [2024-12-06 03:22:13,276 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2024-12-06 03:22:13,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-06 03:22:13,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:13,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:14,197 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-06 03:22:14,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:14,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2024-12-06 03:22:14,437 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2024-12-06 03:22:14,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-06 03:22:14,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:14,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-06 03:22:15,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:15,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 80 states and 108 transitions. [2024-12-06 03:22:15,610 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 108 transitions. [2024-12-06 03:22:15,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-06 03:22:15,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:15,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-12-06 03:22:16,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:16,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 81 states and 109 transitions. [2024-12-06 03:22:16,430 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2024-12-06 03:22:16,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-06 03:22:16,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:16,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:17,146 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-12-06 03:22:17,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:17,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 82 states and 110 transitions. [2024-12-06 03:22:17,387 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2024-12-06 03:22:17,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-06 03:22:17,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:17,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-12-06 03:22:18,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 83 states and 111 transitions. [2024-12-06 03:22:18,684 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2024-12-06 03:22:18,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-06 03:22:18,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:18,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-12-06 03:22:20,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:20,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 84 states and 112 transitions. [2024-12-06 03:22:20,143 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 112 transitions. [2024-12-06 03:22:20,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-06 03:22:20,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:20,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:20,950 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-12-06 03:22:21,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:21,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 85 states and 113 transitions. [2024-12-06 03:22:21,069 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 113 transitions. [2024-12-06 03:22:21,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-06 03:22:21,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:21,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:21,815 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-12-06 03:22:22,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:22,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 86 states and 114 transitions. [2024-12-06 03:22:22,105 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2024-12-06 03:22:22,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-06 03:22:22,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:22,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:23,048 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-12-06 03:22:23,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:23,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 87 states and 115 transitions. [2024-12-06 03:22:23,341 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 115 transitions. [2024-12-06 03:22:23,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-06 03:22:23,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:23,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:24,409 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-12-06 03:22:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:24,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 88 states and 116 transitions. [2024-12-06 03:22:24,756 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 116 transitions. [2024-12-06 03:22:24,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-06 03:22:24,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:24,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:25,451 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-12-06 03:22:25,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 89 states and 117 transitions. [2024-12-06 03:22:25,568 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2024-12-06 03:22:25,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-06 03:22:25,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:25,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:26,327 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-12-06 03:22:26,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:26,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 90 states and 118 transitions. [2024-12-06 03:22:26,677 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 118 transitions. [2024-12-06 03:22:26,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-06 03:22:26,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:26,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:27,668 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-12-06 03:22:27,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:27,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 91 states and 119 transitions. [2024-12-06 03:22:27,988 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2024-12-06 03:22:27,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-06 03:22:27,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:27,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:29,107 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-12-06 03:22:29,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:29,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 92 states and 120 transitions. [2024-12-06 03:22:29,417 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2024-12-06 03:22:29,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-06 03:22:29,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:29,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:30,232 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-12-06 03:22:30,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:30,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 93 states and 121 transitions. [2024-12-06 03:22:30,365 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2024-12-06 03:22:30,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-06 03:22:30,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:30,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:31,132 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-12-06 03:22:31,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 94 states and 122 transitions. [2024-12-06 03:22:31,444 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2024-12-06 03:22:31,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-06 03:22:31,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:31,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:32,450 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-12-06 03:22:32,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:32,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 123 transitions. [2024-12-06 03:22:32,744 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2024-12-06 03:22:32,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-06 03:22:32,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:32,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:33,887 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-12-06 03:22:34,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:34,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 96 states and 124 transitions. [2024-12-06 03:22:34,247 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2024-12-06 03:22:34,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-06 03:22:34,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:34,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:35,052 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-12-06 03:22:35,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:35,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 97 states and 125 transitions. [2024-12-06 03:22:35,169 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2024-12-06 03:22:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-06 03:22:35,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:35,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:35,976 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-12-06 03:22:36,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:36,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 98 states and 126 transitions. [2024-12-06 03:22:36,365 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 126 transitions. [2024-12-06 03:22:36,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-06 03:22:36,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:36,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:37,335 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-12-06 03:22:37,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:37,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 99 states and 127 transitions. [2024-12-06 03:22:37,477 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 127 transitions. [2024-12-06 03:22:37,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-06 03:22:37,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:37,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:38,493 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-12-06 03:22:38,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:38,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 100 states and 128 transitions. [2024-12-06 03:22:38,888 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2024-12-06 03:22:38,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-06 03:22:38,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:38,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-12-06 03:22:40,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:40,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 101 states and 129 transitions. [2024-12-06 03:22:40,329 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 129 transitions. [2024-12-06 03:22:40,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-06 03:22:40,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:40,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:41,499 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-12-06 03:22:41,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:41,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 102 states and 130 transitions. [2024-12-06 03:22:41,873 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 130 transitions. [2024-12-06 03:22:41,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-06 03:22:41,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:41,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:42,595 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-12-06 03:22:42,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:42,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 103 states and 131 transitions. [2024-12-06 03:22:42,758 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 131 transitions. [2024-12-06 03:22:42,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-06 03:22:42,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:42,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:43,659 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-12-06 03:22:44,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:44,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 104 states and 132 transitions. [2024-12-06 03:22:44,092 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2024-12-06 03:22:44,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-06 03:22:44,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:44,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:45,066 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-12-06 03:22:45,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:45,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 105 states and 133 transitions. [2024-12-06 03:22:45,460 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 133 transitions. [2024-12-06 03:22:45,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-06 03:22:45,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:45,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:46,728 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-12-06 03:22:47,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:47,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 106 states and 134 transitions. [2024-12-06 03:22:47,104 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 134 transitions. [2024-12-06 03:22:47,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-06 03:22:47,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:47,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:23:23,815 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:23:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:24:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:24:05,121 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:485) 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) [2024-12-06 03:24:05,125 INFO L158 Benchmark]: Toolchain (without parser) took 180151.92ms. Allocated memory was 117.4MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 91.1MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-12-06 03:24:05,126 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:24:05,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.09ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 77.0MB in the end (delta: 13.8MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. [2024-12-06 03:24:05,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 394.09ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 77.0MB in the beginning and 192.7MB in the end (delta: -115.7MB). Peak memory consumption was 88.3MB. Max. memory is 16.1GB. [2024-12-06 03:24:05,126 INFO L158 Benchmark]: Boogie Preprocessor took 378.87ms. Allocated memory is still 285.2MB. Free memory was 192.7MB in the beginning and 170.7MB in the end (delta: 22.0MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-12-06 03:24:05,127 INFO L158 Benchmark]: RCFGBuilder took 6928.03ms. Allocated memory was 285.2MB in the beginning and 478.2MB in the end (delta: 192.9MB). Free memory was 170.7MB in the beginning and 233.1MB in the end (delta: -62.4MB). Peak memory consumption was 417.5MB. Max. memory is 16.1GB. [2024-12-06 03:24:05,127 INFO L158 Benchmark]: CodeCheck took 171848.46ms. Allocated memory was 478.2MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 233.1MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 817.0MB. Max. memory is 16.1GB. [2024-12-06 03:24:05,129 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 598.09ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 77.0MB in the end (delta: 13.8MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 394.09ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 77.0MB in the beginning and 192.7MB in the end (delta: -115.7MB). Peak memory consumption was 88.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 378.87ms. Allocated memory is still 285.2MB. Free memory was 192.7MB in the beginning and 170.7MB in the end (delta: 22.0MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * RCFGBuilder took 6928.03ms. Allocated memory was 285.2MB in the beginning and 478.2MB in the end (delta: 192.9MB). Free memory was 170.7MB in the beginning and 233.1MB in the end (delta: -62.4MB). Peak memory consumption was 417.5MB. Max. memory is 16.1GB. * CodeCheck took 171848.46ms. Allocated memory was 478.2MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 233.1MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 817.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:24:05,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b --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 64bit --witnessprinter.graph.data.programhash a7b742cc0d0eaef445a8f90399cbd092d4cb10efae03dcad0c8e37a0643e7fd6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:24:07,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:24:07,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 03:24:07,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:24:07,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:24:07,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:24:07,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:24:07,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:24:07,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:24:07,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:24:07,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:24:07,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:24:07,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:24:07,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:24:07,273 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:24:07,274 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:24:07,274 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:24:07,274 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:24:07,274 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:24:07,274 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:24:07,274 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:24:07,274 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:24:07,274 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:24:07,274 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:07,274 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:24:07,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:24:07,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:24:07,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:24:07,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:24:07,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:24:07,275 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:24:07,275 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:07,275 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:24:07,276 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7b742cc0d0eaef445a8f90399cbd092d4cb10efae03dcad0c8e37a0643e7fd6 [2024-12-06 03:24:07,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:24:07,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:24:07,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:24:07,508 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:24:07,508 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:24:07,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c [2024-12-06 03:24:10,231 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/data/35a34af87/28af5ff879124180bc4afa79a339db25/FLAGf42f3216f [2024-12-06 03:24:10,464 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:24:10,465 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c [2024-12-06 03:24:10,478 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/data/35a34af87/28af5ff879124180bc4afa79a339db25/FLAGf42f3216f [2024-12-06 03:24:10,780 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/data/35a34af87/28af5ff879124180bc4afa79a339db25 [2024-12-06 03:24:10,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:24:10,783 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:24:10,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:24:10,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:24:10,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:24:10,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:24:10" (1/1) ... [2024-12-06 03:24:10,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@390c3b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:10, skipping insertion in model container [2024-12-06 03:24:10,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:24:10" (1/1) ... [2024-12-06 03:24:10,820 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:24:10,939 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c[1266,1279] [2024-12-06 03:24:11,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:24:11,173 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:24:11,180 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c[1266,1279] [2024-12-06 03:24:11,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:24:11,284 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:24:11,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:11 WrapperNode [2024-12-06 03:24:11,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:24:11,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:24:11,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:24:11,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:24:11,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:11" (1/1) ... [2024-12-06 03:24:11,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:11" (1/1) ... [2024-12-06 03:24:11,377 INFO L138 Inliner]: procedures = 18, calls = 107, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1575 [2024-12-06 03:24:11,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:24:11,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:24:11,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:24:11,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:24:11,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:11" (1/1) ... [2024-12-06 03:24:11,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:11" (1/1) ... [2024-12-06 03:24:11,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:11" (1/1) ... [2024-12-06 03:24:11,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:11" (1/1) ... [2024-12-06 03:24:11,426 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:11" (1/1) ... [2024-12-06 03:24:11,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:11" (1/1) ... [2024-12-06 03:24:11,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:11" (1/1) ... [2024-12-06 03:24:11,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:11" (1/1) ... [2024-12-06 03:24:11,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:11" (1/1) ... [2024-12-06 03:24:11,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:24:11,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:24:11,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:24:11,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:24:11,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:11" (1/1) ... [2024-12-06 03:24:11,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:24:11,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:24:11,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:24:11,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:24:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:24:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-12-06 03:24:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:24:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:24:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:24:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:24:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:24:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:24:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-12-06 03:24:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:24:11,798 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:24:11,800 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:24:12,807 INFO L? ?]: Removed 1019 outVars from TransFormulas that were not future-live. [2024-12-06 03:24:12,807 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:24:13,062 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:24:13,062 INFO L312 CfgBuilder]: Removed 19 assume(true) statements. [2024-12-06 03:24:13,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:24:13 BoogieIcfgContainer [2024-12-06 03:24:13,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:24:13,063 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:24:13,063 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:24:13,070 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:24:13,070 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:24:13" (1/1) ... [2024-12-06 03:24:13,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:24:13,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:13,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2024-12-06 03:24:13,112 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2024-12-06 03:24:13,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 03:24:13,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:13,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:13,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:13,118 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:13,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:24:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:13,808 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:13,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:24:13,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:14,039 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 03:24:14,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:24:14,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:14,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2024-12-06 03:24:14,104 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-12-06 03:24:14,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 03:24:14,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:14,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:14,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:14,107 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:14,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:24:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:14,805 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:14,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:24:14,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:14,995 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-06 03:24:15,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:24:15,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:15,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2024-12-06 03:24:15,038 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-12-06 03:24:15,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 03:24:15,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:15,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:15,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:15,041 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:15,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:24:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:15,657 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:15,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:24:15,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:15,816 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 03:24:15,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:24:15,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:15,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2024-12-06 03:24:15,856 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2024-12-06 03:24:15,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 03:24:15,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:15,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:15,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:15,859 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:15,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:24:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:16,385 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:16,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:24:16,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:16,568 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 03:24:16,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:24:16,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:16,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2024-12-06 03:24:16,635 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2024-12-06 03:24:16,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 03:24:16,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:16,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:16,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:16,638 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:16,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:24:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:17,225 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:17,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:24:17,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:17,356 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 03:24:17,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 03:24:17,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:17,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-12-06 03:24:17,412 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-12-06 03:24:17,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 03:24:17,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:17,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:17,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:17,414 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:17,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:24:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:17,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:18,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:24:18,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:18,102 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 03:24:18,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 03:24:18,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:18,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2024-12-06 03:24:18,167 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2024-12-06 03:24:18,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:24:18,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:18,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:18,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:18,169 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:18,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:24:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:18,817 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:18,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:24:18,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:19,000 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 03:24:19,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 03:24:19,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:19,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2024-12-06 03:24:19,085 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2024-12-06 03:24:19,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 03:24:19,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:19,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:19,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:19,088 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:19,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:24:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:19,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:19,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:24:19,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 03:24:19,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 03:24:19,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:19,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2024-12-06 03:24:19,962 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-12-06 03:24:19,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 03:24:19,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:19,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:19,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:19,965 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:19,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 03:24:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:20,615 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:20,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:24:20,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:20,772 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-06 03:24:20,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 03:24:20,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:20,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2024-12-06 03:24:20,856 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2024-12-06 03:24:20,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 03:24:20,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:20,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:20,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:20,859 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:20,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 03:24:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:21,569 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:21,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:24:21,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:21,755 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-06 03:24:21,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 03:24:21,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:21,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 46 states and 65 transitions. [2024-12-06 03:24:21,854 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-12-06 03:24:21,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 03:24:21,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:21,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:21,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:21,857 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:21,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 03:24:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:22,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:22,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 03:24:22,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 03:24:23,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 03:24:25,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:25,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 58 states and 85 transitions. [2024-12-06 03:24:25,995 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2024-12-06 03:24:25,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-06 03:24:25,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:25,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:25,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:25,997 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:25,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 03:24:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:27,196 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:27,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:24:27,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-12-06 03:24:27,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 03:24:27,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:27,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 59 states and 86 transitions. [2024-12-06 03:24:27,906 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2024-12-06 03:24:27,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-06 03:24:27,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:27,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:27,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:27,909 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:27,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 03:24:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:29,163 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:29,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:24:29,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:29,614 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-06 03:24:29,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 03:24:29,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:29,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 87 transitions. [2024-12-06 03:24:29,775 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2024-12-06 03:24:29,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-06 03:24:29,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:29,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:29,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:29,778 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:29,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 03:24:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:31,159 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:31,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:24:31,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:31,652 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 03:24:31,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-12-06 03:24:31,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:31,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 88 transitions. [2024-12-06 03:24:31,852 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2024-12-06 03:24:31,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-06 03:24:31,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:31,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:31,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:31,855 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:31,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 03:24:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:33,163 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:33,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:24:33,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:33,667 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-06 03:24:33,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 03:24:33,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:33,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-12-06 03:24:33,866 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-12-06 03:24:33,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-06 03:24:33,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:33,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:33,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:33,869 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:33,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 03:24:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:35,321 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:35,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:24:35,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:35,854 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-06 03:24:35,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 03:24:36,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:36,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2024-12-06 03:24:36,123 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2024-12-06 03:24:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-06 03:24:36,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:36,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:36,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:36,126 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:36,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 03:24:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:37,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:37,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:24:37,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:38,187 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-06 03:24:38,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 03:24:38,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:38,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2024-12-06 03:24:38,467 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2024-12-06 03:24:38,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-06 03:24:38,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:38,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:38,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:38,470 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:38,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 03:24:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:40,043 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:40,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:24:40,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:40,509 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-12-06 03:24:40,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 03:24:40,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:40,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 92 transitions. [2024-12-06 03:24:40,729 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2024-12-06 03:24:40,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-06 03:24:40,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:40,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:40,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:40,731 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:40,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 03:24:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:42,365 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:42,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:24:42,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:42,912 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-12-06 03:24:42,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 03:24:43,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:43,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2024-12-06 03:24:43,193 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2024-12-06 03:24:43,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-06 03:24:43,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:43,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:43,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:43,195 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:43,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 03:24:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:44,902 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:45,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:24:45,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-12-06 03:24:45,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 03:24:45,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:45,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 94 transitions. [2024-12-06 03:24:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2024-12-06 03:24:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-06 03:24:45,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:45,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:45,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:45,717 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:45,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 03:24:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:47,413 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:47,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:24:47,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:47,954 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-06 03:24:47,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 03:24:48,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:48,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 68 states and 95 transitions. [2024-12-06 03:24:48,226 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 95 transitions. [2024-12-06 03:24:48,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-06 03:24:48,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:48,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:48,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:48,228 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:48,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 03:24:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:50,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:50,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:24:50,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:50,705 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-12-06 03:24:50,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 03:24:51,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:51,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2024-12-06 03:24:51,041 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2024-12-06 03:24:51,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-06 03:24:51,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:51,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:51,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:51,043 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:51,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 03:24:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:52,814 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:53,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:24:53,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:53,376 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-12-06 03:24:53,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 03:24:53,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:53,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2024-12-06 03:24:53,704 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2024-12-06 03:24:53,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-06 03:24:53,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:53,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:53,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:53,707 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:53,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 03:24:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:55,714 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:56,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:24:56,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:56,327 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-12-06 03:24:56,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 03:24:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:56,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2024-12-06 03:24:56,616 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2024-12-06 03:24:56,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-06 03:24:56,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:56,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:56,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:56,618 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:56,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 03:24:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:58,783 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:59,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:24:59,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:59,367 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-06 03:24:59,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 03:24:59,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:59,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2024-12-06 03:24:59,718 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2024-12-06 03:24:59,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-06 03:24:59,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:59,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:59,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:59,720 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:59,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 03:25:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:01,808 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:02,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:25:02,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:02,417 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-12-06 03:25:02,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 03:25:02,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:02,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2024-12-06 03:25:02,759 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2024-12-06 03:25:02,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-06 03:25:02,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:02,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:02,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:02,761 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:02,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 03:25:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:05,005 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:05,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:25:05,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:05,614 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-12-06 03:25:05,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 03:25:06,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:06,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2024-12-06 03:25:06,428 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2024-12-06 03:25:06,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-06 03:25:06,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:06,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:06,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:06,430 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:06,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 03:25:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:08,587 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:08,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:25:08,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:09,214 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-12-06 03:25:09,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 03:25:10,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:10,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 75 states and 100 transitions. [2024-12-06 03:25:10,044 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2024-12-06 03:25:10,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-06 03:25:10,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:10,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:10,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:10,046 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:10,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 03:25:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:12,298 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:12,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:25:12,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:12,892 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-06 03:25:12,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 03:25:13,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:13,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2024-12-06 03:25:13,725 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2024-12-06 03:25:13,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-06 03:25:13,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:13,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:13,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:13,727 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:13,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 03:25:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:16,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:16,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:25:16,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:16,740 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-12-06 03:25:16,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 03:25:17,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:17,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 77 states and 101 transitions. [2024-12-06 03:25:17,547 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 101 transitions. [2024-12-06 03:25:17,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-06 03:25:17,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:17,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:17,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:17,549 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:17,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 03:25:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:19,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:20,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:25:20,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:20,561 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-12-06 03:25:20,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 03:25:21,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:21,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 78 states and 102 transitions. [2024-12-06 03:25:21,429 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2024-12-06 03:25:21,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-06 03:25:21,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:21,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:21,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:21,431 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:21,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 03:25:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:23,788 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:24,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:25:24,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:24,498 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-12-06 03:25:24,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 03:25:25,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:25,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 79 states and 103 transitions. [2024-12-06 03:25:25,492 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 103 transitions. [2024-12-06 03:25:25,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-06 03:25:25,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:25,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:25,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:25,494 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:25,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 03:25:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:28,049 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:28,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:25:28,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:28,741 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-12-06 03:25:28,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 03:25:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 80 states and 104 transitions. [2024-12-06 03:25:29,769 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 104 transitions. [2024-12-06 03:25:29,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-06 03:25:29,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:29,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:29,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:29,771 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:29,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 03:25:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:32,349 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:32,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:25:32,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:33,058 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-06 03:25:33,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 03:25:34,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:34,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 81 states and 104 transitions. [2024-12-06 03:25:34,088 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2024-12-06 03:25:34,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-06 03:25:34,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:34,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:34,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:34,090 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:34,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 03:25:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:36,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:37,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:25:37,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:37,610 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-12-06 03:25:37,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 03:25:38,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:38,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 82 states and 104 transitions. [2024-12-06 03:25:38,623 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2024-12-06 03:25:38,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-06 03:25:38,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:38,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:38,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:38,625 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:38,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 03:25:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:41,438 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:41,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:25:41,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:42,238 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-12-06 03:25:42,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 03:25:43,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:43,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 83 states and 104 transitions. [2024-12-06 03:25:43,355 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 104 transitions. [2024-12-06 03:25:43,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-06 03:25:43,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:43,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:43,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:43,358 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:43,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 03:25:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:46,177 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:46,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:25:46,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:46,956 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-12-06 03:25:46,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 03:25:48,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:48,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2024-12-06 03:25:48,043 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2024-12-06 03:25:48,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-06 03:25:48,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:48,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:48,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:48,046 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:48,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 03:25:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:50,908 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:51,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:25:51,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-12-06 03:25:51,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 03:25:52,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:52,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 106 transitions. [2024-12-06 03:25:52,739 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 106 transitions. [2024-12-06 03:25:52,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-06 03:25:52,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:52,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:52,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:52,742 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:52,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 03:25:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:55,830 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:56,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:25:56,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:56,664 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-12-06 03:25:56,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 03:25:57,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:57,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 86 states and 107 transitions. [2024-12-06 03:25:57,826 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 107 transitions. [2024-12-06 03:25:57,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-06 03:25:57,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:57,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:57,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:57,828 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:57,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 03:26:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:00,969 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:01,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:26:01,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:01,777 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-12-06 03:26:01,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 03:26:02,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:02,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 87 states and 108 transitions. [2024-12-06 03:26:02,883 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2024-12-06 03:26:02,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-06 03:26:02,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:02,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:02,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:02,885 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:02,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 03:26:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:06,186 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:06,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:26:06,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-06 03:26:07,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 03:26:08,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:08,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 88 states and 109 transitions. [2024-12-06 03:26:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2024-12-06 03:26:08,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-06 03:26:08,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:08,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:08,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:08,275 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:08,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 03:26:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:11,621 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:12,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:26:12,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:12,576 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-06 03:26:12,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 03:26:13,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:13,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 89 states and 110 transitions. [2024-12-06 03:26:13,907 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 110 transitions. [2024-12-06 03:26:13,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-06 03:26:13,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:13,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:13,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:13,909 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:13,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 03:26:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:17,270 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:17,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:26:17,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:18,151 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-06 03:26:18,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 03:26:19,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:19,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 90 states and 110 transitions. [2024-12-06 03:26:19,506 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2024-12-06 03:26:19,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-06 03:26:19,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:19,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:19,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:19,508 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:19,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 03:26:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:23,048 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:23,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:26:23,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 03:26:23,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 03:26:25,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:25,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 91 states and 111 transitions. [2024-12-06 03:26:25,248 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 111 transitions. [2024-12-06 03:26:25,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-06 03:26:25,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:25,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:25,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:25,250 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:25,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 03:26:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:28,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:28,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:26:28,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:29,547 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 03:26:29,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 03:26:31,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:31,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 92 states and 111 transitions. [2024-12-06 03:26:31,006 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2024-12-06 03:26:31,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-06 03:26:31,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:31,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:31,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:31,008 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:31,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 03:26:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:34,655 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:35,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:26:35,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:35,569 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-12-06 03:26:35,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-12-06 03:26:37,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:37,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 93 states and 112 transitions. [2024-12-06 03:26:37,033 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 112 transitions. [2024-12-06 03:26:37,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-06 03:26:37,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:37,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:37,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:37,036 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:37,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 03:26:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:40,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:41,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:26:41,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:41,740 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-12-06 03:26:41,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 03:26:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:43,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2024-12-06 03:26:43,241 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2024-12-06 03:26:43,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-06 03:26:43,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:43,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:43,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:43,243 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:43,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 03:26:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:46,934 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:47,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:26:47,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:47,894 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-06 03:26:47,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 03:26:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:49,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 95 states and 113 transitions. [2024-12-06 03:26:49,451 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 113 transitions. [2024-12-06 03:26:49,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-06 03:26:49,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:49,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:49,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:49,454 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:49,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 03:26:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:53,006 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:53,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:26:53,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:53,954 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-06 03:26:53,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 03:26:55,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:55,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 96 states and 113 transitions. [2024-12-06 03:26:55,603 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 113 transitions. [2024-12-06 03:26:55,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-06 03:26:55,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:55,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:55,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:55,606 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:55,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 03:26:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:59,521 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:59,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:26:59,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-12-06 03:27:00,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 03:27:02,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:02,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 97 states and 114 transitions. [2024-12-06 03:27:02,101 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2024-12-06 03:27:02,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-06 03:27:02,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:02,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:02,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:02,103 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:02,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 03:27:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:06,293 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:06,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:27:06,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:07,320 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-12-06 03:27:07,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 03:27:09,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 98 states and 114 transitions. [2024-12-06 03:27:09,022 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2024-12-06 03:27:09,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-06 03:27:09,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:09,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:09,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:09,024 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:09,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 03:27:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:13,116 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:13,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:27:13,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:14,137 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-12-06 03:27:14,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 03:27:15,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:15,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 99 states and 115 transitions. [2024-12-06 03:27:15,859 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2024-12-06 03:27:15,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-06 03:27:15,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:15,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:15,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:15,861 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:15,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 03:27:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:19,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:20,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:27:20,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:21,069 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-12-06 03:27:21,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 03:27:22,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:22,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 100 states and 115 transitions. [2024-12-06 03:27:22,862 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2024-12-06 03:27:22,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-06 03:27:22,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:22,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:22,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:22,864 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:22,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 03:27:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:26,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:27,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:27:27,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:27,775 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-06 03:27:27,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 03:27:29,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:29,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 101 states and 116 transitions. [2024-12-06 03:27:29,532 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2024-12-06 03:27:29,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-06 03:27:29,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:29,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:29,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:29,534 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:29,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 03:27:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:33,619 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:34,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:27:34,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:34,669 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-06 03:27:34,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 03:27:36,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:36,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 102 states and 116 transitions. [2024-12-06 03:27:36,545 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2024-12-06 03:27:36,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-06 03:27:36,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:36,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:36,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:36,548 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:36,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 03:27:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:40,725 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:41,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:27:41,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:41,775 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-12-06 03:27:41,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 03:27:43,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:43,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 103 states and 117 transitions. [2024-12-06 03:27:43,660 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2024-12-06 03:27:43,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-06 03:27:43,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:43,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:43,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:43,662 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:43,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 03:27:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:48,136 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:48,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:27:48,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:49,269 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-12-06 03:27:49,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 03:27:51,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:51,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 104 states and 117 transitions. [2024-12-06 03:27:51,239 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2024-12-06 03:27:51,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-06 03:27:51,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:51,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:51,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:51,242 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:51,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 03:27:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:55,647 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:56,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:27:56,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:56,754 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-12-06 03:27:56,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-06 03:27:58,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:58,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 105 states and 118 transitions. [2024-12-06 03:27:58,713 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2024-12-06 03:27:58,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-06 03:27:58,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:58,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:58,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:58,716 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:58,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-06 03:28:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:03,071 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:28:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:03,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:28:03,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:04,175 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-12-06 03:28:04,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-06 03:28:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:06,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 106 states and 118 transitions. [2024-12-06 03:28:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2024-12-06 03:28:06,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-06 03:28:06,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:06,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:06,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:28:06,193 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:28:06,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-06 03:28:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:11,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:28:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:11,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-06 03:28:11,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-12-06 03:28:19,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-06 03:32:27,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:27,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 193 states and 226 transitions. [2024-12-06 03:32:27,260 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 226 transitions. [2024-12-06 03:32:27,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-12-06 03:32:27,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:27,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:32:27,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:32:27,275 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:32:27,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9496fe91-3541-4d84-9b0e-6645e49fa1fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process