./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/sum02-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/sum02-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59d79cb7d07f30328554c1c1dfb3c3c4d9d249fe2beb0f1abdeaf89c4a9e9025 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:49:59,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:49:59,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:49:59,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:49:59,308 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:49:59,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:49:59,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:49:59,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:49:59,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:49:59,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:49:59,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:49:59,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:49:59,345 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:49:59,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:49:59,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:49:59,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:49:59,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:49:59,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:49:59,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:49:59,347 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:49:59,347 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:49:59,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:49:59,347 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:49:59,347 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:49:59,347 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:49:59,347 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:49:59,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:49:59,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:49:59,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:49:59,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:49:59,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:49:59,348 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:49:59,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:49:59,349 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_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59d79cb7d07f30328554c1c1dfb3c3c4d9d249fe2beb0f1abdeaf89c4a9e9025 [2024-11-13 21:49:59,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:49:59,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:49:59,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:49:59,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:49:59,700 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:49:59,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/bitvector/sum02-1.c Unable to find full path for "g++" [2024-11-13 21:50:01,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:50:01,951 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:50:01,952 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/sv-benchmarks/c/bitvector/sum02-1.c [2024-11-13 21:50:01,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/data/85c983e7b/cfb6de953fbb433bb0b5b6ff3258fc7f/FLAGbe025c3e6 [2024-11-13 21:50:02,283 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/data/85c983e7b/cfb6de953fbb433bb0b5b6ff3258fc7f [2024-11-13 21:50:02,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:50:02,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:50:02,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:50:02,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:50:02,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:50:02,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:50:02" (1/1) ... [2024-11-13 21:50:02,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d32d952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:02, skipping insertion in model container [2024-11-13 21:50:02,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:50:02" (1/1) ... [2024-11-13 21:50:02,309 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:50:02,465 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_931af0ad-c9f3-482d-bece-1f6da74e6a3e/sv-benchmarks/c/bitvector/sum02-1.c[624,637] [2024-11-13 21:50:02,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:50:02,484 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:50:02,494 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_931af0ad-c9f3-482d-bece-1f6da74e6a3e/sv-benchmarks/c/bitvector/sum02-1.c[624,637] [2024-11-13 21:50:02,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:50:02,512 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:50:02,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:02 WrapperNode [2024-11-13 21:50:02,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:50:02,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:50:02,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:50:02,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:50:02,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:02" (1/1) ... [2024-11-13 21:50:02,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:02" (1/1) ... [2024-11-13 21:50:02,534 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-11-13 21:50:02,534 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:50:02,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:50:02,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:50:02,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:50:02,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:02" (1/1) ... [2024-11-13 21:50:02,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:02" (1/1) ... [2024-11-13 21:50:02,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:02" (1/1) ... [2024-11-13 21:50:02,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:02" (1/1) ... [2024-11-13 21:50:02,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:02" (1/1) ... [2024-11-13 21:50:02,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:02" (1/1) ... [2024-11-13 21:50:02,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:02" (1/1) ... [2024-11-13 21:50:02,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:02" (1/1) ... [2024-11-13 21:50:02,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:50:02,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:50:02,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:50:02,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:50:02,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:02" (1/1) ... [2024-11-13 21:50:02,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:50:02,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:50:02,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:50:02,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:50:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:50:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:50:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:50:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:50:02,672 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:50:02,674 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:50:02,782 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 21:50:02,782 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:50:02,842 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:50:02,843 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:50:02,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:50:02 BoogieIcfgContainer [2024-11-13 21:50:02,844 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:50:02,845 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:50:02,845 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:50:02,857 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:50:02,858 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:50:02" (1/1) ... [2024-11-13 21:50:02,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:50:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:50:02,918 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:50:02,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:50:02,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:02,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:03,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:03,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:03,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-13 21:50:03,532 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-13 21:50:03,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:50:03,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:03,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:03,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:03,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:03,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2024-11-13 21:50:03,973 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2024-11-13 21:50:03,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:50:03,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:03,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:50:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:50:14,032 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:50:14,036 INFO L158 Benchmark]: Toolchain (without parser) took 11748.51ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 66.5MB in the end (delta: 25.7MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-13 21:50:14,036 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:50:14,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.23ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.3MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:50:14,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.99ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:50:14,038 INFO L158 Benchmark]: Boogie Preprocessor took 15.67ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.7MB in the end (delta: 552.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:50:14,039 INFO L158 Benchmark]: RCFGBuilder took 292.84ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 69.2MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:50:14,040 INFO L158 Benchmark]: CodeCheck took 11189.66ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 66.5MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2024-11-13 21:50:14,043 INFO L338 ainManager$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 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.23ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.3MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.99ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.67ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.7MB in the end (delta: 552.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.84ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 69.2MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 11189.66ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 66.5MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:50:14,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/sum02-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59d79cb7d07f30328554c1c1dfb3c3c4d9d249fe2beb0f1abdeaf89c4a9e9025 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:50:16,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:50:17,010 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:50:17,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:50:17,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:50:17,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:50:17,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:50:17,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:50:17,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:50:17,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:50:17,062 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:50:17,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:50:17,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:50:17,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:50:17,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:50:17,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:50:17,063 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:50:17,063 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:50:17,063 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:50:17,063 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:50:17,063 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:50:17,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:50:17,065 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:50:17,065 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:50:17,065 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:50:17,065 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:50:17,065 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:17,065 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:50:17,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:50:17,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:50:17,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:50:17,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:50:17,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:50:17,066 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:50:17,066 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:17,066 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:50:17,066 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_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59d79cb7d07f30328554c1c1dfb3c3c4d9d249fe2beb0f1abdeaf89c4a9e9025 [2024-11-13 21:50:17,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:50:17,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:50:17,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:50:17,407 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:50:17,408 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:50:17,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/bitvector/sum02-1.c Unable to find full path for "g++" [2024-11-13 21:50:19,341 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:50:19,631 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:50:19,635 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/sv-benchmarks/c/bitvector/sum02-1.c [2024-11-13 21:50:19,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/data/b6ac3594e/d16ffc7b57ae4500a99732ff7c5cff24/FLAG43d482684 [2024-11-13 21:50:19,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/data/b6ac3594e/d16ffc7b57ae4500a99732ff7c5cff24 [2024-11-13 21:50:19,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:50:19,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:50:19,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:50:19,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:50:19,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:50:19,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:50:19" (1/1) ... [2024-11-13 21:50:19,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@104b712a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:19, skipping insertion in model container [2024-11-13 21:50:19,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:50:19" (1/1) ... [2024-11-13 21:50:19,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:50:20,103 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_931af0ad-c9f3-482d-bece-1f6da74e6a3e/sv-benchmarks/c/bitvector/sum02-1.c[624,637] [2024-11-13 21:50:20,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:50:20,138 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:50:20,150 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_931af0ad-c9f3-482d-bece-1f6da74e6a3e/sv-benchmarks/c/bitvector/sum02-1.c[624,637] [2024-11-13 21:50:20,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:50:20,171 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:50:20,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:20 WrapperNode [2024-11-13 21:50:20,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:50:20,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:50:20,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:50:20,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:50:20,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:20" (1/1) ... [2024-11-13 21:50:20,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:20" (1/1) ... [2024-11-13 21:50:20,209 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-11-13 21:50:20,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:50:20,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:50:20,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:50:20,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:50:20,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:20" (1/1) ... [2024-11-13 21:50:20,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:20" (1/1) ... [2024-11-13 21:50:20,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:20" (1/1) ... [2024-11-13 21:50:20,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:20" (1/1) ... [2024-11-13 21:50:20,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:20" (1/1) ... [2024-11-13 21:50:20,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:20" (1/1) ... [2024-11-13 21:50:20,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:20" (1/1) ... [2024-11-13 21:50:20,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:20" (1/1) ... [2024-11-13 21:50:20,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:50:20,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:50:20,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:50:20,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:50:20,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:20" (1/1) ... [2024-11-13 21:50:20,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:50:20,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:50:20,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:50:20,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:50:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:50:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:50:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:50:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:50:20,411 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:50:20,412 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:50:20,542 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 21:50:20,543 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:50:20,577 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:50:20,577 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:50:20,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:50:20 BoogieIcfgContainer [2024-11-13 21:50:20,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:50:20,579 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:50:20,579 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:50:20,590 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:50:20,590 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:50:20" (1/1) ... [2024-11-13 21:50:20,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:50:20,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:20,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:50:20,649 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:50:20,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:50:20,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:20,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:20,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:20,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:20,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:50:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:20,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:20,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:50:20,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:20,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:20,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:50:20,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:20,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 9 states and 13 transitions. [2024-11-13 21:50:20,978 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2024-11-13 21:50:20,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:50:20,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:20,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:20,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:20,983 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:20,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:50:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:21,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:21,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:50:21,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:21,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:50:21,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:21,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2024-11-13 21:50:21,258 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2024-11-13 21:50:21,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:50:21,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:21,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:21,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:21,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:21,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:50:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:21,346 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:21,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:50:21,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:21,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:21,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:50:21,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:21,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-13 21:50:21,910 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-13 21:50:21,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:50:21,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:21,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:21,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:21,914 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:21,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:50:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:22,011 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:22,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:50:22,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:22,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:22,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:50:22,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:22,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2024-11-13 21:50:22,499 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2024-11-13 21:50:22,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:50:22,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:22,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:22,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:22,505 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:22,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:50:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:22,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:22,632 WARN L253 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:50:22,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:22,821 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:22,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:50:23,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:23,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2024-11-13 21:50:23,088 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2024-11-13 21:50:23,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:50:23,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:23,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:23,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:23,093 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:23,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:50:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:23,189 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:23,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:50:23,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:23,462 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:23,464 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:50:23,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 21:50:23,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:23,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2024-11-13 21:50:23,840 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2024-11-13 21:50:23,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:50:23,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:23,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:23,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:23,843 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:23,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:50:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:23,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:23,980 WARN L253 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:50:23,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:24,173 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:24,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:50:24,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:24,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 16 states and 26 transitions. [2024-11-13 21:50:24,521 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 26 transitions. [2024-11-13 21:50:24,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:50:24,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:24,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:24,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:24,524 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:24,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:50:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:24,637 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:24,664 WARN L253 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 21:50:24,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:24,912 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:24,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 21:50:25,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:25,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2024-11-13 21:50:25,355 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2024-11-13 21:50:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:50:25,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:25,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:25,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:25,357 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:25,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:50:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:25,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:25,510 WARN L253 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:50:25,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:25,728 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:25,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 21:50:26,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:26,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2024-11-13 21:50:26,167 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2024-11-13 21:50:26,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:50:26,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:26,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:26,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:26,169 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:26,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:50:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:26,281 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:26,312 WARN L253 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:50:26,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:26,813 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:26,815 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:50:26,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 21:50:27,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:27,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 32 transitions. [2024-11-13 21:50:27,549 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 32 transitions. [2024-11-13 21:50:27,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:50:27,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:27,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:27,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:27,552 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:27,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:50:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:27,646 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:27,679 WARN L253 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:50:27,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:27,930 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:27,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 21:50:28,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:28,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 20 states and 34 transitions. [2024-11-13 21:50:28,423 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 34 transitions. [2024-11-13 21:50:28,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:50:28,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:28,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:28,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:28,427 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:28,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:50:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:28,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:28,553 WARN L253 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 21:50:28,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:28,917 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:28,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-13 21:50:29,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:29,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 21 states and 36 transitions. [2024-11-13 21:50:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 36 transitions. [2024-11-13 21:50:29,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:50:29,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:29,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:29,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:29,638 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:29,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 21:50:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:29,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:29,762 WARN L253 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 21:50:29,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:30,045 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:30,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 21:50:30,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:30,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2024-11-13 21:50:30,616 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2024-11-13 21:50:30,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:50:30,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:30,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:30,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:30,621 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:30,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 21:50:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:30,719 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:30,749 WARN L253 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 21:50:30,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:31,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 21:50:32,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2024-11-13 21:50:32,009 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2024-11-13 21:50:32,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:50:32,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:32,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:32,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:32,011 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:32,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 21:50:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:32,103 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:32,131 WARN L253 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 21:50:32,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:32,451 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:32,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 21:50:33,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:33,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 42 transitions. [2024-11-13 21:50:33,183 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 42 transitions. [2024-11-13 21:50:33,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:50:33,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:33,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:33,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:33,187 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:33,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 21:50:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:33,314 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:33,378 WARN L253 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 21:50:33,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:33,894 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:33,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-13 21:50:34,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:34,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 44 transitions. [2024-11-13 21:50:34,842 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2024-11-13 21:50:34,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:50:34,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:34,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:34,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:34,845 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:34,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 21:50:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:34,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:35,000 WARN L253 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 21:50:35,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:35,319 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:35,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 21:50:36,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:36,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2024-11-13 21:50:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2024-11-13 21:50:36,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:50:36,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:36,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:36,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:36,194 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:36,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 21:50:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:36,356 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:36,392 WARN L253 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 21:50:36,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:37,691 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:37,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 21:50:39,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2024-11-13 21:50:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2024-11-13 21:50:39,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:50:39,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:39,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:39,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:39,720 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:39,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 21:50:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:39,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:39,868 WARN L253 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 21:50:39,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:40,178 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:40,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 21:50:41,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2024-11-13 21:50:41,165 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2024-11-13 21:50:41,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:50:41,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:41,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:41,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:41,167 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:41,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 21:50:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:41,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:41,329 WARN L253 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 21:50:41,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:41,813 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:41,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 21:50:43,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:43,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2024-11-13 21:50:43,037 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2024-11-13 21:50:43,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:50:43,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:43,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:43,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:43,043 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:43,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 21:50:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:43,201 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:43,236 WARN L253 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 21:50:43,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:43,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-13 21:50:44,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:44,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2024-11-13 21:50:44,657 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2024-11-13 21:50:44,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:50:44,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:44,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:44,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:44,662 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:44,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 21:50:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:44,810 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:44,849 WARN L253 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-13 21:50:44,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:45,590 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:45,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 21:50:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2024-11-13 21:50:47,099 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2024-11-13 21:50:47,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:50:47,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:47,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:47,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:47,102 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:47,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 21:50:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:47,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:47,259 WARN L253 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-13 21:50:47,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:47,644 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:47,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 21:50:48,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:48,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2024-11-13 21:50:48,934 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2024-11-13 21:50:48,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:50:48,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:48,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:48,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:48,936 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:48,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 21:50:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:49,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:49,109 WARN L253 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-13 21:50:49,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:49,849 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:49,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 21:50:51,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:51,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-11-13 21:50:51,492 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-11-13 21:50:51,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:50:51,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:51,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:51,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:51,497 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:51,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 21:50:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:51,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:51,708 WARN L253 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-13 21:50:51,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:52,133 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:52,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-13 21:50:53,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:53,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2024-11-13 21:50:53,594 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2024-11-13 21:50:53,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 21:50:53,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:53,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:53,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:53,597 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:53,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 21:50:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:53,726 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:53,772 WARN L253 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-13 21:50:53,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:55,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-13 21:50:57,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:57,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 35 states and 64 transitions. [2024-11-13 21:50:57,677 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2024-11-13 21:50:57,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:50:57,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:57,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:57,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:57,679 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:57,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 21:50:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:57,815 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:57,860 WARN L253 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-13 21:50:57,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:58,330 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:50:58,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-13 21:51:00,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:00,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2024-11-13 21:51:00,123 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2024-11-13 21:51:00,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:51:00,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:00,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:00,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:00,126 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:00,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 21:51:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:00,260 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:00,302 WARN L253 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-13 21:51:00,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:01,073 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:01,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 21:51:03,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:03,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 68 transitions. [2024-11-13 21:51:03,089 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2024-11-13 21:51:03,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:51:03,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:03,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:03,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:03,093 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:03,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 21:51:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:03,232 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:03,277 WARN L253 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-13 21:51:03,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:03,820 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:03,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-13 21:51:05,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:05,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 38 states and 70 transitions. [2024-11-13 21:51:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 70 transitions. [2024-11-13 21:51:05,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:51:05,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:05,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:05,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:05,747 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:05,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 21:51:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:05,889 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:05,936 WARN L253 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-13 21:51:05,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:07,138 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:07,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 21:51:09,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:09,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 72 transitions. [2024-11-13 21:51:09,805 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2024-11-13 21:51:09,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:51:09,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:09,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:09,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:09,808 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:09,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 21:51:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:09,954 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:10,002 WARN L253 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-13 21:51:10,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:10,607 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:10,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 21:51:12,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:12,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2024-11-13 21:51:12,684 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2024-11-13 21:51:12,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:51:12,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:12,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:12,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:12,687 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:12,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 21:51:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:12,834 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:12,884 WARN L253 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-13 21:51:12,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:14,128 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:14,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 21:51:17,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:17,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2024-11-13 21:51:17,123 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2024-11-13 21:51:17,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 21:51:17,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:17,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:17,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:17,126 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:17,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 21:51:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:17,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:17,336 WARN L253 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-13 21:51:17,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:18,026 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:18,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 21:51:20,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:20,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 78 transitions. [2024-11-13 21:51:20,428 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 78 transitions. [2024-11-13 21:51:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 21:51:20,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:20,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:20,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:20,430 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:20,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 21:51:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:20,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:20,637 WARN L253 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-11-13 21:51:20,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:26,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 21:51:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2024-11-13 21:51:34,857 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2024-11-13 21:51:34,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 21:51:34,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:34,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:34,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:34,860 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:34,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 21:51:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:35,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:35,065 WARN L253 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-13 21:51:35,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:35,845 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:35,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-13 21:51:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:38,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 44 states and 82 transitions. [2024-11-13 21:51:38,697 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2024-11-13 21:51:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:51:38,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:38,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:38,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:38,699 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:38,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 21:51:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:38,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:38,913 WARN L253 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-13 21:51:38,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:40,172 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:40,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 21:51:43,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:43,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2024-11-13 21:51:43,276 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2024-11-13 21:51:43,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:51:43,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:43,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:43,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:43,278 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:43,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 21:51:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:43,445 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:43,500 WARN L253 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-11-13 21:51:43,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:44,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-13 21:51:47,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:47,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2024-11-13 21:51:47,035 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2024-11-13 21:51:47,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 21:51:47,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:47,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:47,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:47,037 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:47,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 21:51:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:47,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:47,266 WARN L253 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-13 21:51:47,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:48,880 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:48,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 21:51:52,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:52,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 88 transitions. [2024-11-13 21:51:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 88 transitions. [2024-11-13 21:51:52,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 21:51:52,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:52,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:52,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:52,824 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:52,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 21:51:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:53,050 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:53,108 WARN L253 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-13 21:51:53,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:53,926 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:53,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 21:51:57,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:57,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2024-11-13 21:51:57,044 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2024-11-13 21:51:57,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:51:57,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:57,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:57,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:57,046 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:57,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 21:51:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:57,230 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:57,287 WARN L253 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-11-13 21:51:57,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:58,687 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:58,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 21:52:03,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:03,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2024-11-13 21:52:03,517 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2024-11-13 21:52:03,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 21:52:03,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:03,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:03,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:03,521 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:03,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 21:52:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:03,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:03,853 WARN L253 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-11-13 21:52:03,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:04,923 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:04,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-13 21:52:08,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:08,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 50 states and 94 transitions. [2024-11-13 21:52:08,270 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2024-11-13 21:52:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 21:52:08,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:08,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:08,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:08,272 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:08,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 21:52:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:08,457 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:08,545 WARN L253 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-11-13 21:52:08,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:11,663 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:11,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-13 21:52:17,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:17,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 51 states and 96 transitions. [2024-11-13 21:52:17,238 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2024-11-13 21:52:17,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:52:17,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:17,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:17,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:17,240 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:17,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 21:52:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:17,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:17,491 WARN L253 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-11-13 21:52:17,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:18,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-13 21:52:22,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:22,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2024-11-13 21:52:22,185 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2024-11-13 21:52:22,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:52:22,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:22,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:22,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:22,187 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:22,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 21:52:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:22,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:22,438 WARN L253 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 94 conjuncts are in the unsatisfiable core [2024-11-13 21:52:22,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:23,990 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:23,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 21:52:28,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:28,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 53 states and 100 transitions. [2024-11-13 21:52:28,418 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 100 transitions. [2024-11-13 21:52:28,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:52:28,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:28,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:28,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:28,420 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:28,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 21:52:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:28,621 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:28,691 WARN L253 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-13 21:52:28,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:29,933 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:29,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-13 21:52:33,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:33,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 54 states and 102 transitions. [2024-11-13 21:52:33,872 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2024-11-13 21:52:33,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 21:52:33,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:33,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:33,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:33,876 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:33,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 21:52:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:34,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:34,143 WARN L253 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-11-13 21:52:34,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:36,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:36,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-13 21:52:41,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:41,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 55 states and 104 transitions. [2024-11-13 21:52:41,719 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 104 transitions. [2024-11-13 21:52:41,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 21:52:41,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:41,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:41,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:41,722 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:41,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 21:52:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:41,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:42,018 WARN L253 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-11-13 21:52:42,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:43,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:43,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-13 21:52:47,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:47,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 56 states and 106 transitions. [2024-11-13 21:52:47,417 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 106 transitions. [2024-11-13 21:52:47,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 21:52:47,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:47,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:47,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:47,422 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:47,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 21:52:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:47,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:47,703 WARN L253 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 103 conjuncts are in the unsatisfiable core [2024-11-13 21:52:47,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:49,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:49,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-13 21:52:55,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:55,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 57 states and 108 transitions. [2024-11-13 21:52:55,770 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 108 transitions. [2024-11-13 21:52:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 21:52:55,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:55,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:55,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:55,780 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:55,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 21:52:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:56,040 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:56,125 WARN L253 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 106 conjuncts are in the unsatisfiable core [2024-11-13 21:52:56,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:57,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:57,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:01,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:01,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 58 states and 110 transitions. [2024-11-13 21:53:01,933 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 110 transitions. [2024-11-13 21:53:01,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 21:53:01,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:01,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:01,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:01,935 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:01,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 21:53:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:02,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:02,243 WARN L253 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-11-13 21:53:02,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:08,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:08,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-13 21:53:19,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:19,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 59 states and 112 transitions. [2024-11-13 21:53:19,243 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2024-11-13 21:53:19,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 21:53:19,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:19,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:19,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:19,244 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:19,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-13 21:53:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:19,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:19,538 WARN L253 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 108 conjuncts are in the unsatisfiable core [2024-11-13 21:53:19,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:20,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:20,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-13 21:53:26,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:26,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 60 states and 114 transitions. [2024-11-13 21:53:26,377 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 114 transitions. [2024-11-13 21:53:26,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 21:53:26,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:26,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:26,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:26,380 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:26,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-13 21:53:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:26,659 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:26,774 WARN L253 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 110 conjuncts are in the unsatisfiable core [2024-11-13 21:53:26,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:29,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-13 21:53:35,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:35,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 61 states and 116 transitions. [2024-11-13 21:53:35,189 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 116 transitions. [2024-11-13 21:53:35,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:53:35,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:35,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:35,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:35,196 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:35,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-13 21:53:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:35,425 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:35,498 WARN L253 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 113 conjuncts are in the unsatisfiable core [2024-11-13 21:53:35,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:36,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:36,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:42,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:42,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 62 states and 118 transitions. [2024-11-13 21:53:42,214 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 118 transitions. [2024-11-13 21:53:42,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-13 21:53:42,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:42,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:42,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:42,216 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:42,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-13 21:53:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:42,480 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:42,585 WARN L253 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-11-13 21:53:42,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:45,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:45,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-13 21:53:53,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:53,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 63 states and 120 transitions. [2024-11-13 21:53:53,120 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 120 transitions. [2024-11-13 21:53:53,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 21:53:53,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:53,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:53,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:53,122 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:53,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-13 21:53:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:53,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:53,572 WARN L253 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 117 conjuncts are in the unsatisfiable core [2024-11-13 21:53:53,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:54,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:54,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-13 21:54:01,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:01,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 64 states and 122 transitions. [2024-11-13 21:54:01,103 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 122 transitions. [2024-11-13 21:54:01,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 21:54:01,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:01,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:01,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:01,108 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:01,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-13 21:54:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:01,343 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:01,419 WARN L253 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 119 conjuncts are in the unsatisfiable core [2024-11-13 21:54:01,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:03,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:03,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-13 21:54:10,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:10,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 65 states and 124 transitions. [2024-11-13 21:54:10,751 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 124 transitions. [2024-11-13 21:54:10,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 21:54:10,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:10,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:10,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:10,753 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:10,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-13 21:54:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:11,092 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:11,234 WARN L253 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 122 conjuncts are in the unsatisfiable core [2024-11-13 21:54:11,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:12,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:19,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 66 states and 126 transitions. [2024-11-13 21:54:19,354 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 126 transitions. [2024-11-13 21:54:19,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 21:54:19,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:19,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:19,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:19,359 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:19,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-13 21:54:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:19,712 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:19,801 WARN L253 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 122 conjuncts are in the unsatisfiable core [2024-11-13 21:54:19,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:25,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-13 21:54:35,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:35,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 67 states and 128 transitions. [2024-11-13 21:54:35,794 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 128 transitions. [2024-11-13 21:54:35,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 21:54:35,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:35,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:35,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:35,796 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:35,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-13 21:54:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:36,040 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:36,124 WARN L253 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-11-13 21:54:36,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:37,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-13 21:54:45,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:45,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 68 states and 130 transitions. [2024-11-13 21:54:45,034 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 130 transitions. [2024-11-13 21:54:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:54:45,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:45,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:45,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:45,036 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:45,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-13 21:54:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:45,281 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:45,371 WARN L253 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 127 conjuncts are in the unsatisfiable core [2024-11-13 21:54:45,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:48,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:48,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-13 21:54:57,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:57,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 69 states and 132 transitions. [2024-11-13 21:54:57,225 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 132 transitions. [2024-11-13 21:54:57,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 21:54:57,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:57,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:57,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:57,227 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:57,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-13 21:54:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:57,478 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:57,560 WARN L253 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 130 conjuncts are in the unsatisfiable core [2024-11-13 21:54:57,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:59,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:59,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-13 21:55:07,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:07,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 70 states and 134 transitions. [2024-11-13 21:55:07,577 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 134 transitions. [2024-11-13 21:55:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 21:55:07,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:07,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:07,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:07,580 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:07,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-13 21:55:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:07,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:07,938 WARN L253 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 131 conjuncts are in the unsatisfiable core [2024-11-13 21:55:07,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:12,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:12,226 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:55:12,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-13 21:55:21,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:21,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 71 states and 136 transitions. [2024-11-13 21:55:21,527 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 136 transitions. [2024-11-13 21:55:21,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 21:55:21,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:21,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:21,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:21,530 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:21,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-13 21:55:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:21,819 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:21,921 WARN L253 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 134 conjuncts are in the unsatisfiable core [2024-11-13 21:55:21,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:23,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:23,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-13 21:55:31,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:31,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 138 transitions. [2024-11-13 21:55:31,555 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 138 transitions. [2024-11-13 21:55:31,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 21:55:31,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:31,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:31,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:31,561 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:31,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-13 21:55:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:31,901 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:32,006 WARN L253 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 136 conjuncts are in the unsatisfiable core [2024-11-13 21:55:32,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:35,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:35,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-13 21:55:43,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:43,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 73 states and 140 transitions. [2024-11-13 21:55:43,707 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 140 transitions. [2024-11-13 21:55:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 21:55:43,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:43,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:43,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:43,709 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:43,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-13 21:55:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:44,011 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:44,098 WARN L253 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 139 conjuncts are in the unsatisfiable core [2024-11-13 21:55:44,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:45,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:45,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-11-13 21:55:54,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:54,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 74 states and 142 transitions. [2024-11-13 21:55:54,040 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 142 transitions. [2024-11-13 21:55:54,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 21:55:54,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:54,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:54,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:54,045 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:54,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-13 21:55:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:54,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:54,528 WARN L253 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 136 conjuncts are in the unsatisfiable core [2024-11-13 21:55:54,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:31,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:56:31,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:13,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:13,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 75 states and 144 transitions. [2024-11-13 21:57:13,604 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2024-11-13 21:57:13,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 21:57:13,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:13,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:13,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:13,608 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:13,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-13 21:57:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:13,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:13,991 WARN L253 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 139 conjuncts are in the unsatisfiable core [2024-11-13 21:57:13,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:15,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:57:15,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-13 21:57:24,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:24,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 76 states and 146 transitions. [2024-11-13 21:57:24,313 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 146 transitions. [2024-11-13 21:57:24,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 21:57:24,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:24,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:24,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:24,315 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:24,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-13 21:57:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:24,621 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:24,708 WARN L253 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 141 conjuncts are in the unsatisfiable core [2024-11-13 21:57:24,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:28,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:57:28,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:37,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:37,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 77 states and 148 transitions. [2024-11-13 21:57:37,843 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 148 transitions. [2024-11-13 21:57:37,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 21:57:37,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:37,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:37,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:37,846 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:37,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-13 21:57:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:38,175 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:38,268 WARN L253 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 144 conjuncts are in the unsatisfiable core [2024-11-13 21:57:38,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:57:40,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:48,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:48,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 78 states and 150 transitions. [2024-11-13 21:57:48,842 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 150 transitions. [2024-11-13 21:57:48,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 21:57:48,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:48,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:48,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:48,846 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:48,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-13 21:57:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:49,181 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:49,309 WARN L253 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 145 conjuncts are in the unsatisfiable core [2024-11-13 21:57:49,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:54,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:57:54,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-13 21:58:05,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:05,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 79 states and 152 transitions. [2024-11-13 21:58:05,389 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 152 transitions. [2024-11-13 21:58:05,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 21:58:05,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:05,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:05,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:05,391 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:05,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-13 21:58:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:05,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:05,899 WARN L253 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 148 conjuncts are in the unsatisfiable core [2024-11-13 21:58:05,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:08,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:58:08,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-13 21:58:17,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:17,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 80 states and 154 transitions. [2024-11-13 21:58:17,245 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 154 transitions. [2024-11-13 21:58:17,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 21:58:17,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:17,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:17,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:17,251 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:17,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-13 21:58:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:17,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:17,653 WARN L253 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 150 conjuncts are in the unsatisfiable core [2024-11-13 21:58:17,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:21,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:58:21,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-11-13 21:58:32,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:32,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 81 states and 156 transitions. [2024-11-13 21:58:32,558 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 156 transitions. [2024-11-13 21:58:32,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 21:58:32,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:32,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:32,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:32,560 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:32,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-13 21:58:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:32,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:32,956 WARN L253 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 153 conjuncts are in the unsatisfiable core [2024-11-13 21:58:32,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:34,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:58:34,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-13 21:58:43,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:43,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 82 states and 158 transitions. [2024-11-13 21:58:43,992 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 158 transitions. [2024-11-13 21:58:43,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 21:58:43,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:43,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:43,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:43,994 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:43,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-13 21:58:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:44,314 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:44,410 WARN L253 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 153 conjuncts are in the unsatisfiable core [2024-11-13 21:58:44,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:51,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:58:51,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-13 21:59:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 83 states and 160 transitions. [2024-11-13 21:59:09,217 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 160 transitions. [2024-11-13 21:59:09,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 21:59:09,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:09,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:09,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:09,218 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:09,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-13 21:59:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:09,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:09,655 WARN L253 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 156 conjuncts are in the unsatisfiable core [2024-11-13 21:59:09,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:11,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:59:11,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:21,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:21,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 84 states and 162 transitions. [2024-11-13 21:59:21,597 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 162 transitions. [2024-11-13 21:59:21,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 21:59:21,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:21,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:21,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:21,603 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:21,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-13 21:59:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:21,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:22,015 WARN L253 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 158 conjuncts are in the unsatisfiable core [2024-11-13 21:59:22,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:59:25,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-13 21:59:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:36,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 85 states and 164 transitions. [2024-11-13 21:59:36,542 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 164 transitions. [2024-11-13 21:59:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 21:59:36,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:36,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:36,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:36,544 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:36,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-13 21:59:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:36,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:36,961 WARN L253 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 161 conjuncts are in the unsatisfiable core [2024-11-13 21:59:36,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:39,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:59:39,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-11-13 21:59:49,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:49,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 86 states and 166 transitions. [2024-11-13 21:59:49,095 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 166 transitions. [2024-11-13 21:59:49,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 21:59:49,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:49,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:49,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:49,099 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:49,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-13 21:59:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:49,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:49,605 WARN L253 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 162 conjuncts are in the unsatisfiable core [2024-11-13 21:59:49,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:59:54,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:08,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:08,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 87 states and 168 transitions. [2024-11-13 22:00:08,111 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 168 transitions. [2024-11-13 22:00:08,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 22:00:08,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:08,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:08,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:08,114 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:08,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-13 22:00:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,537 WARN L253 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 165 conjuncts are in the unsatisfiable core [2024-11-13 22:00:08,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:10,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:10,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-13 22:00:21,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:21,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 88 states and 170 transitions. [2024-11-13 22:00:21,953 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 170 transitions. [2024-11-13 22:00:21,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 22:00:21,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:21,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:21,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:21,955 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:21,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-13 22:00:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,389 WARN L253 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 167 conjuncts are in the unsatisfiable core [2024-11-13 22:00:22,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:26,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:26,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-13 22:00:39,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:39,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 89 states and 172 transitions. [2024-11-13 22:00:39,189 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 172 transitions. [2024-11-13 22:00:39,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 22:00:39,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:39,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:39,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:39,191 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:39,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-13 22:00:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:39,600 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:39,713 WARN L253 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 170 conjuncts are in the unsatisfiable core [2024-11-13 22:00:39,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:42,160 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:42,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-13 22:00:54,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:54,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 90 states and 174 transitions. [2024-11-13 22:00:54,017 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 174 transitions. [2024-11-13 22:00:54,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 22:00:54,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:54,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:54,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:54,019 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:54,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-13 22:00:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:54,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:54,500 WARN L253 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 169 conjuncts are in the unsatisfiable core [2024-11-13 22:00:54,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:10,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:10,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-13 22:01:36,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:36,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 91 states and 176 transitions. [2024-11-13 22:01:36,403 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 176 transitions. [2024-11-13 22:01:36,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 22:01:36,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:36,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:36,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:36,405 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:36,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-13 22:01:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:36,791 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:36,902 WARN L253 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 172 conjuncts are in the unsatisfiable core [2024-11-13 22:01:36,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:39,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:39,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-13 22:01:51,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:51,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 92 states and 178 transitions. [2024-11-13 22:01:51,940 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 178 transitions. [2024-11-13 22:01:51,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 22:01:51,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:51,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:51,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:51,942 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:51,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-13 22:01:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:52,338 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:52,458 WARN L253 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 174 conjuncts are in the unsatisfiable core [2024-11-13 22:01:52,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:56,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:56,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-13 22:02:11,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:11,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 93 states and 180 transitions. [2024-11-13 22:02:11,084 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 180 transitions. [2024-11-13 22:02:11,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 22:02:11,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:11,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:11,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:11,087 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:11,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-13 22:02:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:11,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:11,545 WARN L253 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 177 conjuncts are in the unsatisfiable core [2024-11-13 22:02:11,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:14,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:14,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-13 22:02:27,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:27,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 94 states and 182 transitions. [2024-11-13 22:02:27,097 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 182 transitions. [2024-11-13 22:02:27,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 22:02:27,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:27,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:27,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:27,100 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:27,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-13 22:02:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:27,469 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:27,580 WARN L253 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 178 conjuncts are in the unsatisfiable core [2024-11-13 22:02:27,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:34,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:34,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-13 22:02:51,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:51,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 95 states and 184 transitions. [2024-11-13 22:02:51,570 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 184 transitions. [2024-11-13 22:02:51,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 22:02:51,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:51,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:51,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:51,573 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:51,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-13 22:02:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:52,004 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:52,176 WARN L253 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 181 conjuncts are in the unsatisfiable core [2024-11-13 22:02:52,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:55,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-13 22:03:08,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:08,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 96 states and 186 transitions. [2024-11-13 22:03:08,783 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 186 transitions. [2024-11-13 22:03:08,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-13 22:03:08,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:08,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:08,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:08,785 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:08,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-13 22:03:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:09,202 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:09,325 WARN L253 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 183 conjuncts are in the unsatisfiable core [2024-11-13 22:03:09,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:14,581 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:03:14,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-13 22:03:31,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:31,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 97 states and 188 transitions. [2024-11-13 22:03:31,100 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 188 transitions. [2024-11-13 22:03:31,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-13 22:03:31,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:31,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:31,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:31,102 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:31,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-13 22:03:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:31,566 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:31,737 WARN L253 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 186 conjuncts are in the unsatisfiable core [2024-11-13 22:03:31,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:34,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:03:34,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-11-13 22:03:49,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:49,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 98 states and 190 transitions. [2024-11-13 22:03:49,996 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 190 transitions. [2024-11-13 22:03:49,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-13 22:03:49,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:49,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:49,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:49,998 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:50,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-13 22:03:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:50,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:50,695 WARN L253 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 186 conjuncts are in the unsatisfiable core [2024-11-13 22:03:50,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:03,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:03,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-13 22:04:26,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:26,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 99 states and 192 transitions. [2024-11-13 22:04:26,056 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 192 transitions. [2024-11-13 22:04:26,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 22:04:26,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:26,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:26,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:26,058 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:26,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-13 22:04:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,497 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,625 WARN L253 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 189 conjuncts are in the unsatisfiable core [2024-11-13 22:04:26,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:29,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:29,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-13 22:04:44,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:44,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 100 states and 194 transitions. [2024-11-13 22:04:44,357 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 194 transitions. [2024-11-13 22:04:44,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 22:04:44,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:44,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:44,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:44,359 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:44,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_931af0ad-c9f3-482d-bece-1f6da74e6a3e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-13 22:04:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:44,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:44,866 WARN L253 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 191 conjuncts are in the unsatisfiable core [2024-11-13 22:04:44,870 INFO L278 TraceCheckSpWp]: Computing forward predicates...