./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0730c.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_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/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_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/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_1f6111e5-3e40-4ecb-bfed-00ace710dc14/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 f8c3d6863785ed03feeabfa34c0c11607b9ab236b069ea505eed9d256d26078d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:22:07,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:22:07,398 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:22:07,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:22:07,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:22:07,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:22:07,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:22:07,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:22:07,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:22:07,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:22:07,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:22:07,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:22:07,446 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:22:07,446 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:22:07,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:22:07,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:22:07,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:22:07,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:22:07,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:22:07,448 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:22:07,449 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:22:07,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:22:07,449 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:22:07,449 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:22:07,449 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:22:07,449 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:22:07,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:22:07,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:22:07,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:22:07,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:22:07,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:22:07,450 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:22:07,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:22:07,450 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_1f6111e5-3e40-4ecb-bfed-00ace710dc14/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 -> f8c3d6863785ed03feeabfa34c0c11607b9ab236b069ea505eed9d256d26078d [2024-11-13 23:22:07,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:22:07,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:22:07,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:22:07,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:22:07,764 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:22:07,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c Unable to find full path for "g++" [2024-11-13 23:22:09,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:22:09,984 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:22:09,985 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2024-11-13 23:22:09,992 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/data/bdc9a4442/96a17ae04da54a038caff8bcaa657b53/FLAG45d28c564 [2024-11-13 23:22:10,008 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/data/bdc9a4442/96a17ae04da54a038caff8bcaa657b53 [2024-11-13 23:22:10,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:22:10,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:22:10,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:22:10,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:22:10,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:22:10,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:22:10" (1/1) ... [2024-11-13 23:22:10,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@778ec5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:10, skipping insertion in model container [2024-11-13 23:22:10,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:22:10" (1/1) ... [2024-11-13 23:22:10,043 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:22:10,330 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_1f6111e5-3e40-4ecb-bfed-00ace710dc14/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c[3223,3236] [2024-11-13 23:22:10,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:22:10,347 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:22:10,416 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_1f6111e5-3e40-4ecb-bfed-00ace710dc14/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c[3223,3236] [2024-11-13 23:22:10,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:22:10,442 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:22:10,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:10 WrapperNode [2024-11-13 23:22:10,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:22:10,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:22:10,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:22:10,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:22:10,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:10" (1/1) ... [2024-11-13 23:22:10,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:10" (1/1) ... [2024-11-13 23:22:10,527 INFO L138 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 318 [2024-11-13 23:22:10,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:22:10,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:22:10,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:22:10,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:22:10,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:10" (1/1) ... [2024-11-13 23:22:10,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:10" (1/1) ... [2024-11-13 23:22:10,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:10" (1/1) ... [2024-11-13 23:22:10,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:10" (1/1) ... [2024-11-13 23:22:10,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:10" (1/1) ... [2024-11-13 23:22:10,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:10" (1/1) ... [2024-11-13 23:22:10,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:10" (1/1) ... [2024-11-13 23:22:10,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:10" (1/1) ... [2024-11-13 23:22:10,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:22:10,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:22:10,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:22:10,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:22:10,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:10" (1/1) ... [2024-11-13 23:22:10,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:22:10,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:22:10,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:22:10,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:22:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:22:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:22:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:22:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 23:22:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:22:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 23:22:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:22:10,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:22:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:22:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:22:10,782 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:22:10,784 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:22:11,529 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-13 23:22:11,529 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:22:12,108 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:22:12,110 INFO L316 CfgBuilder]: Removed 10 assume(true) statements. [2024-11-13 23:22:12,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:12 BoogieIcfgContainer [2024-11-13 23:22:12,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:22:12,111 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:22:12,113 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:22:12,124 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:22:12,125 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:12" (1/1) ... [2024-11-13 23:22:12,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:22:12,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:12,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2024-11-13 23:22:12,202 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-13 23:22:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:22:12,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:12,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:22:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:12,390 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 23:22:12,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:12,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-13 23:22:12,420 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-13 23:22:12,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:22:12,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:12,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:22:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:22:12,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:22:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:22:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:22:12,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:22:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:22:12,654 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 23:22:12,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:22:12 ImpRootNode [2024-11-13 23:22:12,696 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:22:12,697 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:22:12,697 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:22:12,697 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:22:12,698 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:12" (3/4) ... [2024-11-13 23:22:12,701 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:22:12,702 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:22:12,707 INFO L158 Benchmark]: Toolchain (without parser) took 2691.61ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 74.2MB in the end (delta: 17.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-11-13 23:22:12,707 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:12,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.11ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 77.8MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:22:12,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.99ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:12,710 INFO L158 Benchmark]: Boogie Preprocessor took 73.68ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 73.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:12,710 INFO L158 Benchmark]: RCFGBuilder took 1508.36ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 38.5MB in the end (delta: 35.0MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-11-13 23:22:12,710 INFO L158 Benchmark]: CodeCheck took 584.82ms. Allocated memory is still 117.4MB. Free memory was 37.8MB in the beginning and 75.0MB in the end (delta: -37.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:12,711 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.2MB in the end (delta: 840.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:12,715 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 156]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 35, overapproximation of bitwiseAnd at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 155. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L151] double x = 0.0; [L152] CALL, EXPR __ieee754_sqrt(x) [L22] double z; [L23] __int32_t sign = 0x80000000; [L24] __uint32_t r, t1, s1, ix1, q1; [L25] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (ix0) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (ix1) = ew_u.parts.lsw [L34] EXPR ix0 & 0x7ff00000 VAL [ix0=2146435072, ix1=7, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L34] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L35] return x * x + x; VAL [ix0=2146435072, ix1=7, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L152] RET, EXPR __ieee754_sqrt(x) [L152] double res = __ieee754_sqrt(x); [L155] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_sqrt=1, res=4, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L155] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L156] reach_error() VAL [one_sqrt=1, res=4, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.11ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 77.8MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.99ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 73.68ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 73.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1508.36ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 38.5MB in the end (delta: 35.0MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * CodeCheck took 584.82ms. Allocated memory is still 117.4MB. Free memory was 37.8MB in the beginning and 75.0MB in the end (delta: -37.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.2MB in the end (delta: 840.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:22:12,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/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_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/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_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/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_1f6111e5-3e40-4ecb-bfed-00ace710dc14/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 f8c3d6863785ed03feeabfa34c0c11607b9ab236b069ea505eed9d256d26078d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:22:15,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:22:15,582 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 23:22:15,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:22:15,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:22:15,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:22:15,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:22:15,639 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:22:15,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:22:15,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:22:15,641 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:22:15,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:22:15,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:22:15,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:22:15,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:22:15,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:22:15,642 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:22:15,642 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:22:15,643 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:22:15,643 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:22:15,643 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:22:15,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:22:15,643 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:22:15,643 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:22:15,643 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:22:15,643 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:22:15,644 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:15,644 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:22:15,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:22:15,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:22:15,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:22:15,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:22:15,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:22:15,645 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:22:15,645 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:15,645 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:22:15,646 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_1f6111e5-3e40-4ecb-bfed-00ace710dc14/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 -> f8c3d6863785ed03feeabfa34c0c11607b9ab236b069ea505eed9d256d26078d [2024-11-13 23:22:15,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:22:15,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:22:15,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:22:15,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:22:15,972 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:22:15,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c Unable to find full path for "g++" [2024-11-13 23:22:17,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:22:18,225 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:22:18,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2024-11-13 23:22:18,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/data/97cdf00b1/8b0025bddc46440893838b13788dd3b6/FLAG3b48754fc [2024-11-13 23:22:18,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/data/97cdf00b1/8b0025bddc46440893838b13788dd3b6 [2024-11-13 23:22:18,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:22:18,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:22:18,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:22:18,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:22:18,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:22:18,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:22:18" (1/1) ... [2024-11-13 23:22:18,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f117994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:18, skipping insertion in model container [2024-11-13 23:22:18,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:22:18" (1/1) ... [2024-11-13 23:22:18,299 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:22:18,554 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_1f6111e5-3e40-4ecb-bfed-00ace710dc14/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c[3223,3236] [2024-11-13 23:22:18,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:22:18,584 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:22:18,625 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_1f6111e5-3e40-4ecb-bfed-00ace710dc14/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c[3223,3236] [2024-11-13 23:22:18,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:22:18,646 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:22:18,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:18 WrapperNode [2024-11-13 23:22:18,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:22:18,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:22:18,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:22:18,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:22:18,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:18" (1/1) ... [2024-11-13 23:22:18,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:18" (1/1) ... [2024-11-13 23:22:18,695 INFO L138 Inliner]: procedures = 20, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 175 [2024-11-13 23:22:18,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:22:18,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:22:18,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:22:18,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:22:18,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:18" (1/1) ... [2024-11-13 23:22:18,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:18" (1/1) ... [2024-11-13 23:22:18,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:18" (1/1) ... [2024-11-13 23:22:18,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:18" (1/1) ... [2024-11-13 23:22:18,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:18" (1/1) ... [2024-11-13 23:22:18,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:18" (1/1) ... [2024-11-13 23:22:18,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:18" (1/1) ... [2024-11-13 23:22:18,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:18" (1/1) ... [2024-11-13 23:22:18,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:22:18,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:22:18,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:22:18,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:22:18,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:18" (1/1) ... [2024-11-13 23:22:18,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:22:18,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:22:18,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:22:18,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:22:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:22:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-13 23:22:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-13 23:22:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:22:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:22:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 23:22:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:22:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:22:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 23:22:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:22:18,921 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:22:18,923 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:22:22,999 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-13 23:22:22,999 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:22:23,228 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:22:23,229 INFO L316 CfgBuilder]: Removed 10 assume(true) statements. [2024-11-13 23:22:23,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:23 BoogieIcfgContainer [2024-11-13 23:22:23,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:22:23,231 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:22:23,231 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:22:23,242 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:22:23,242 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:23" (1/1) ... [2024-11-13 23:22:23,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:22:23,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:23,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2024-11-13 23:22:23,314 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2024-11-13 23:22:23,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:22:23,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:23,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:23,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:23,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:23,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:22:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:23,520 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:23,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:22:23,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:23,571 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 23:22:23,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:22:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-13 23:22:23,613 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-13 23:22:23,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:22:23,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:23,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:23,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:23,616 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:23,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:22:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:24,108 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:24,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:22:24,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:24,566 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 23:22:24,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 23:22:29,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:22:29,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:29,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 23:22:29,281 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 23:22:29,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:22:29,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:29,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:29,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:29,286 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:29,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:22:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:29,596 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:29,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:22:29,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:30,030 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 23:22:30,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 23:22:32,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:22:33,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:22:38,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:22:43,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:22:43,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:43,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-11-13 23:22:43,529 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-11-13 23:22:43,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:22:43,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:43,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:43,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:43,535 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:43,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:22:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:44,391 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:44,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:22:44,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:45,018 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 23:22:45,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 23:22:48,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:22:48,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:48,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-11-13 23:22:48,416 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-13 23:22:48,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:22:48,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:48,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:48,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:48,421 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:48,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 23:22:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:48,621 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:48,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:22:48,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:48,651 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 23:22:48,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 23:22:48,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:48,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-11-13 23:22:48,663 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-11-13 23:22:48,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:22:48,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:48,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:48,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:48,668 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:48,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 23:22:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:49,026 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:49,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:22:49,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:50,252 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 23:22:50,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 23:22:52,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:52,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-11-13 23:22:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-11-13 23:22:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 23:22:52,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:52,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:52,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:52,279 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:52,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 23:22:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:52,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:52,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:22:52,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:52,528 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 23:22:52,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 23:22:53,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:53,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-11-13 23:22:53,603 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-13 23:22:53,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 23:22:53,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:53,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:53,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:53,611 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:53,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 23:22:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:53,875 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:53,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 23:22:53,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:54,335 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 23:22:54,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 23:22:54,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:54,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2024-11-13 23:22:54,723 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2024-11-13 23:22:54,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:22:54,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:54,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:54,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:54,727 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:54,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 23:22:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:54,966 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:55,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:22:55,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:55,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:22:55,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 23:23:03,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:03,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 51 transitions. [2024-11-13 23:23:03,863 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2024-11-13 23:23:03,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:23:03,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:03,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:03,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:03,867 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:03,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 23:23:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:04,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:04,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:23:04,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:05,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:23:05,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 23:23:11,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:11,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2024-11-13 23:23:11,084 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2024-11-13 23:23:11,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:23:11,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:11,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:11,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:11,087 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:11,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 23:23:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:11,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:11,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:23:11,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:23:11,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 23:23:11,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:11,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2024-11-13 23:23:11,670 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2024-11-13 23:23:11,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 23:23:11,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:11,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:11,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:11,676 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:11,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 23:23:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:11,932 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:11,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:23:11,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:12,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:23:12,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 23:23:14,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2024-11-13 23:23:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2024-11-13 23:23:14,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:23:14,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:14,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:14,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:14,082 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:14,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 23:23:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:14,314 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:14,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:23:14,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:14,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:23:14,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 23:23:17,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:17,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2024-11-13 23:23:17,461 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2024-11-13 23:23:17,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:23:17,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:17,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:17,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:17,465 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:17,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 23:23:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:17,714 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:17,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:23:17,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:18,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:23:18,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 23:23:21,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:21,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2024-11-13 23:23:21,024 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2024-11-13 23:23:21,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:23:21,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:21,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:21,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:21,030 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:21,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 23:23:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:21,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:21,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:23:21,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:21,984 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:23:21,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 23:23:24,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:24,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 53 transitions. [2024-11-13 23:23:24,746 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2024-11-13 23:23:24,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 23:23:24,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:24,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:24,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:24,751 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:24,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 23:23:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:24,997 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:25,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:23:25,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:25,810 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:23:25,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 23:23:28,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:28,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2024-11-13 23:23:28,820 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2024-11-13 23:23:28,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:23:28,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:28,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:28,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:28,824 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:28,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 23:23:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:29,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:29,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:23:29,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:30,046 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:23:30,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 23:23:33,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:33,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2024-11-13 23:23:33,252 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2024-11-13 23:23:33,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 23:23:33,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:33,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:33,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:33,255 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:33,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 23:23:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:33,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:33,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:23:33,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:34,406 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:23:34,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 23:23:37,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:37,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 44 states and 59 transitions. [2024-11-13 23:23:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2024-11-13 23:23:37,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:23:37,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:37,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:37,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:37,743 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:37,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 23:23:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:38,016 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:38,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:23:38,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:38,983 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:23:38,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-13 23:23:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:42,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2024-11-13 23:23:42,459 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-11-13 23:23:42,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:23:42,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:42,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:42,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:42,461 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:42,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 23:23:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:42,771 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:42,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:23:42,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:43,850 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:23:43,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 23:23:47,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:47,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2024-11-13 23:23:47,470 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2024-11-13 23:23:47,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 23:23:47,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:47,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:47,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:47,475 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:47,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 23:23:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:47,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:47,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:23:47,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:48,822 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:23:48,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-13 23:23:52,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:52,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2024-11-13 23:23:52,727 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-11-13 23:23:52,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 23:23:52,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:52,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:52,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:52,732 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:52,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 23:23:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:53,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:53,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:23:53,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:54,234 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:23:54,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 23:23:58,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:58,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 48 states and 67 transitions. [2024-11-13 23:23:58,397 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2024-11-13 23:23:58,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:23:58,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:58,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:58,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:58,399 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:58,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 23:23:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:58,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:58,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:23:58,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:24:00,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 23:24:04,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2024-11-13 23:24:04,450 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2024-11-13 23:24:04,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:24:04,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:04,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:04,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:04,454 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:04,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 23:24:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:04,748 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:04,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 23:24:04,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:05,933 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:24:05,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 23:24:10,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:10,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 50 states and 71 transitions. [2024-11-13 23:24:10,517 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2024-11-13 23:24:10,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 23:24:10,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:10,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:10,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:10,522 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:10,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 23:24:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:10,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:10,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:24:10,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:12,126 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:24:12,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 23:24:16,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:16,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 51 states and 73 transitions. [2024-11-13 23:24:16,573 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2024-11-13 23:24:16,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:24:16,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:16,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:16,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:16,579 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:16,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 23:24:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:16,938 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:17,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:24:17,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:18,192 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:24:18,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 23:24:23,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:23,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 75 transitions. [2024-11-13 23:24:23,037 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-11-13 23:24:23,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 23:24:23,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:23,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:23,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:23,042 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:23,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 23:24:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:23,363 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:23,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 23:24:23,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:24,798 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:24:24,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 23:24:29,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:29,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 53 states and 77 transitions. [2024-11-13 23:24:29,773 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2024-11-13 23:24:29,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 23:24:29,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:29,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:29,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:29,783 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:29,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 23:24:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:30,146 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:30,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 23:24:30,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:31,670 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:24:31,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 23:24:36,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:36,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2024-11-13 23:24:36,837 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2024-11-13 23:24:36,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:24:36,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:36,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:36,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:36,842 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:36,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 23:24:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:37,207 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:37,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 23:24:37,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:38,787 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:24:38,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-13 23:24:44,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:44,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2024-11-13 23:24:44,158 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2024-11-13 23:24:44,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 23:24:44,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:44,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:44,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:44,160 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:44,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 23:24:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:44,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:44,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 23:24:44,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:24:46,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 23:24:51,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:51,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 83 transitions. [2024-11-13 23:24:51,719 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2024-11-13 23:24:51,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 23:24:51,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:51,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:51,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:51,725 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:51,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 23:24:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:52,093 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:52,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 23:24:52,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:53,714 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:24:53,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 23:24:59,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:59,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 85 transitions. [2024-11-13 23:24:59,544 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2024-11-13 23:24:59,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:59,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:59,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:59,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:59,546 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:59,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 23:24:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:59,949 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:00,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 23:25:00,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:01,570 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:25:01,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 23:25:07,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:07,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 58 states and 87 transitions. [2024-11-13 23:25:07,509 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions. [2024-11-13 23:25:07,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 23:25:07,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:07,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:07,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:07,512 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:07,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 23:25:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:07,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:08,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 23:25:08,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:09,556 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:25:09,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 23:25:15,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:15,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 59 states and 89 transitions. [2024-11-13 23:25:15,760 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2024-11-13 23:25:15,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 23:25:15,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:15,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:15,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:15,762 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:15,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 23:25:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:16,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:16,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:25:16,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:18,062 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:25:18,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 23:25:21,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:21,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 60 states and 91 transitions. [2024-11-13 23:25:21,684 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 91 transitions. [2024-11-13 23:25:21,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:25:21,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:21,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:21,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:21,687 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:21,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 23:25:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:22,160 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:22,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:25:22,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:24,156 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:25:24,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 23:25:27,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:27,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 61 states and 93 transitions. [2024-11-13 23:25:27,423 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2024-11-13 23:25:27,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 23:25:27,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:27,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:27,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:27,426 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:27,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 23:25:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:27,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:27,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:25:27,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:29,741 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:25:29,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 23:25:34,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:25:34,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:34,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 62 states and 95 transitions. [2024-11-13 23:25:34,359 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2024-11-13 23:25:34,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 23:25:34,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:34,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:34,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:34,361 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:34,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 23:25:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:34,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:34,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:25:34,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:36,720 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:25:36,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-13 23:25:40,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:40,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 63 states and 97 transitions. [2024-11-13 23:25:40,745 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2024-11-13 23:25:40,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 23:25:40,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:40,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:40,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:40,751 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:40,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 23:25:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:41,215 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:41,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:25:41,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:43,448 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:25:43,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 23:25:47,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:47,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 64 states and 99 transitions. [2024-11-13 23:25:47,491 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 99 transitions. [2024-11-13 23:25:47,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 23:25:47,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:47,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:47,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:47,496 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:47,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 23:25:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:47,994 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:48,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:25:48,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:50,175 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:25:50,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 23:25:54,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:54,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 65 states and 101 transitions. [2024-11-13 23:25:54,387 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2024-11-13 23:25:54,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 23:25:54,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:54,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:54,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:54,392 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:54,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 23:25:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:54,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:55,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:25:55,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:57,771 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:25:57,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:02,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:02,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 66 states and 103 transitions. [2024-11-13 23:26:02,181 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2024-11-13 23:26:02,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 23:26:02,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:02,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:02,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:02,183 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:02,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 23:26:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:02,681 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:02,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:26:02,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:04,940 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:26:04,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-13 23:26:08,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:08,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 67 states and 105 transitions. [2024-11-13 23:26:08,978 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 105 transitions. [2024-11-13 23:26:08,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 23:26:08,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:08,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:08,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:08,982 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:08,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 23:26:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:09,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:09,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:26:09,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:11,740 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:26:11,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-13 23:26:15,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:15,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 68 states and 107 transitions. [2024-11-13 23:26:15,886 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 107 transitions. [2024-11-13 23:26:15,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 23:26:15,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:15,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:15,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:15,888 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:15,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 23:26:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:16,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:16,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:26:16,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:17,195 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:26:17,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-13 23:26:19,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:19,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 69 states and 109 transitions. [2024-11-13 23:26:19,933 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 109 transitions. [2024-11-13 23:26:19,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 23:26:19,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:19,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:19,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:19,938 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:19,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 23:26:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:20,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:20,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 23:26:20,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:21,298 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:26:21,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 23:26:24,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:24,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 70 states and 111 transitions. [2024-11-13 23:26:24,849 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 111 transitions. [2024-11-13 23:26:24,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 23:26:24,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:24,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:24,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:24,851 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:24,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 23:26:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:25,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:25,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:26:25,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:26,293 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:26:26,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-13 23:26:29,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:29,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 71 states and 113 transitions. [2024-11-13 23:26:29,220 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 113 transitions. [2024-11-13 23:26:29,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-13 23:26:29,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:29,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:29,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:29,223 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:29,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 23:26:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:29,867 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:30,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:26:30,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:30,935 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:26:30,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:33,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:33,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 72 states and 115 transitions. [2024-11-13 23:26:33,984 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 115 transitions. [2024-11-13 23:26:33,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 23:26:33,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:33,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:33,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:33,986 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:33,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 23:26:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:34,582 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:34,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 23:26:34,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:35,481 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:26:35,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:38,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:38,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 73 states and 117 transitions. [2024-11-13 23:26:38,425 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 117 transitions. [2024-11-13 23:26:38,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 23:26:38,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:38,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:38,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:38,430 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:38,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 23:26:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:39,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:39,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 23:26:39,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:40,163 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:26:40,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-13 23:26:43,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:43,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 74 states and 119 transitions. [2024-11-13 23:26:43,105 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 119 transitions. [2024-11-13 23:26:43,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 23:26:43,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:43,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:43,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:43,107 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:43,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 23:26:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:43,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:43,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 23:26:43,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:44,687 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:26:44,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:47,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:47,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 121 transitions. [2024-11-13 23:26:47,913 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 121 transitions. [2024-11-13 23:26:47,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 23:26:47,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:47,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:47,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:47,916 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:47,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 23:26:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:48,568 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:48,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 23:26:48,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:49,641 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:26:49,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:53,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:53,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 76 states and 123 transitions. [2024-11-13 23:26:53,270 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 123 transitions. [2024-11-13 23:26:53,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 23:26:53,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:53,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:53,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:53,276 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:53,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-13 23:26:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:53,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:54,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 23:26:54,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:54,960 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:26:54,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-13 23:26:58,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:58,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 77 states and 125 transitions. [2024-11-13 23:26:58,242 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 125 transitions. [2024-11-13 23:26:58,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 23:26:58,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:58,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:58,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:58,245 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:58,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-13 23:26:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:58,911 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:59,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 23:26:59,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:00,052 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:27:00,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-13 23:27:03,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:03,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 78 states and 127 transitions. [2024-11-13 23:27:03,309 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 127 transitions. [2024-11-13 23:27:03,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 23:27:03,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:03,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:03,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:03,312 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:03,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-13 23:27:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:03,985 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:04,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 23:27:04,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:05,072 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:27:05,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-13 23:27:08,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:08,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 79 states and 129 transitions. [2024-11-13 23:27:08,382 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2024-11-13 23:27:08,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 23:27:08,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:08,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:08,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:08,385 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:08,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-13 23:27:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:09,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:09,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 23:27:09,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:27:10,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-13 23:27:13,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:13,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 80 states and 131 transitions. [2024-11-13 23:27:13,620 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 131 transitions. [2024-11-13 23:27:13,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 23:27:13,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:13,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:13,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:13,622 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:13,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-13 23:27:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:14,339 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:14,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 23:27:14,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:15,408 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:27:15,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:18,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:18,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 81 states and 133 transitions. [2024-11-13 23:27:18,906 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 133 transitions. [2024-11-13 23:27:18,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 23:27:18,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:18,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:18,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:18,910 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:18,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-13 23:27:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:19,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:20,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 23:27:20,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:20,840 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:27:20,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-13 23:27:24,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:24,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 82 states and 135 transitions. [2024-11-13 23:27:24,334 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 135 transitions. [2024-11-13 23:27:24,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 23:27:24,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:24,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:24,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:24,336 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:24,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-13 23:27:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:25,087 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:25,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 23:27:25,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:26,228 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:27:26,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-13 23:27:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:30,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 83 states and 137 transitions. [2024-11-13 23:27:30,045 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2024-11-13 23:27:30,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 23:27:30,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:30,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:30,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:30,047 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:30,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-13 23:27:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:30,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:31,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 23:27:31,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:32,387 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:27:32,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:36,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:36,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 84 states and 139 transitions. [2024-11-13 23:27:36,659 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 139 transitions. [2024-11-13 23:27:36,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 23:27:36,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:36,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:36,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:36,662 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:36,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-13 23:27:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:37,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:37,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 23:27:37,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:38,656 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:27:38,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-13 23:27:42,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:42,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 85 states and 141 transitions. [2024-11-13 23:27:42,718 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 141 transitions. [2024-11-13 23:27:42,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 23:27:42,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:42,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:42,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:42,720 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:42,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-13 23:27:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:43,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:43,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 23:27:43,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:44,942 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:27:44,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:48,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:48,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 86 states and 143 transitions. [2024-11-13 23:27:48,805 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 143 transitions. [2024-11-13 23:27:48,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 23:27:48,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:48,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:48,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:48,807 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:48,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-13 23:27:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:49,724 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:50,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 23:27:50,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:51,040 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:27:51,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-13 23:27:55,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:55,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 87 states and 145 transitions. [2024-11-13 23:27:55,050 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 145 transitions. [2024-11-13 23:27:55,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 23:27:55,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:55,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:55,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:55,052 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:55,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-13 23:27:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:55,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:56,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 23:27:56,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:57,211 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:27:57,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-13 23:28:01,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:01,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 88 states and 147 transitions. [2024-11-13 23:28:01,191 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 147 transitions. [2024-11-13 23:28:01,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 23:28:01,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:01,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:01,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:01,198 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:01,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-13 23:28:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:02,059 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:02,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 23:28:02,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:03,318 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:28:03,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-13 23:28:07,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:07,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 89 states and 149 transitions. [2024-11-13 23:28:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 149 transitions. [2024-11-13 23:28:07,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 23:28:07,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:07,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:07,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:07,428 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:07,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-13 23:28:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:08,306 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:08,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 23:28:08,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:09,709 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 23:28:09,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-13 23:28:14,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:14,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 90 states and 151 transitions. [2024-11-13 23:28:14,360 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 151 transitions. [2024-11-13 23:28:14,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 23:28:14,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:14,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:14,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:14,363 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:14,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-13 23:28:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:16,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:16,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:28:16,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2024-11-13 23:28:22,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:36,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:36,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2024-11-13 23:28:36,045 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2024-11-13 23:28:36,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:28:36,045 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 66 iterations. [2024-11-13 23:28:36,053 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 23:28:36,525 INFO L77 FloydHoareUtils]: At program point L27-1(lines 27 32) the Hoare annotation is: (and (= (_ bv0 32) (bvadd |ULTIMATE.start___ieee754_sqrt_~sign~0#1| (_ bv2147483648 32))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_sqrt_~x#1|) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (and (= |ULTIMATE.start___ieee754_sqrt_~ix0~0#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_138| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_138|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_138|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_138|))) (= |ULTIMATE.start___ieee754_sqrt_~ix1~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_138|))))) [2024-11-13 23:28:36,525 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 32) the Hoare annotation is: (and (= (_ bv0 32) (bvadd |ULTIMATE.start___ieee754_sqrt_~sign~0#1| (_ bv2147483648 32))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_sqrt_~x#1|)) [2024-11-13 23:28:36,525 INFO L77 FloydHoareUtils]: At program point L27-3(lines 21 129) the Hoare annotation is: (and (= (_ bv0 32) (bvadd |ULTIMATE.start___ieee754_sqrt_~sign~0#1| (_ bv2147483648 32))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_sqrt_~x#1|) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (and (= |ULTIMATE.start___ieee754_sqrt_~ix0~0#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_138| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_138|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_138|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_138|))) (= |ULTIMATE.start___ieee754_sqrt_~ix1~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_138|))))) [2024-11-13 23:28:36,526 INFO L75 FloydHoareUtils]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2024-11-13 23:28:36,526 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 143 161) the Hoare annotation is: true [2024-11-13 23:28:36,526 INFO L75 FloydHoareUtils]: For program point L46(lines 46 57) no Hoare annotation was computed. [2024-11-13 23:28:36,526 INFO L75 FloydHoareUtils]: For program point L46-2(lines 46 57) no Hoare annotation was computed. [2024-11-13 23:28:36,526 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:28:36,526 INFO L77 FloydHoareUtils]: At program point L38(lines 38 43) the Hoare annotation is: (and (= (_ bv0 32) (bvadd |ULTIMATE.start___ieee754_sqrt_~sign~0#1| (_ bv2147483648 32))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_sqrt_~x#1|) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (and (= |ULTIMATE.start___ieee754_sqrt_~ix0~0#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_138| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_138|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_138|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_138|))) (= |ULTIMATE.start___ieee754_sqrt_~ix1~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_138|))))) [2024-11-13 23:28:36,526 INFO L75 FloydHoareUtils]: For program point L71-2(lines 71 81) no Hoare annotation was computed. [2024-11-13 23:28:36,526 INFO L75 FloydHoareUtils]: For program point L38-2(lines 38 43) no Hoare annotation was computed. [2024-11-13 23:28:36,526 INFO L75 FloydHoareUtils]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2024-11-13 23:28:36,526 INFO L77 FloydHoareUtils]: At program point L39(lines 39 42) the Hoare annotation is: (and (= (_ bv0 32) (bvadd |ULTIMATE.start___ieee754_sqrt_~sign~0#1| (_ bv2147483648 32))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_sqrt_~x#1|) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (and (= |ULTIMATE.start___ieee754_sqrt_~ix0~0#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_138| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_138|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_138|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_138|))) (= |ULTIMATE.start___ieee754_sqrt_~ix1~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_138|))))) [2024-11-13 23:28:36,527 INFO L77 FloydHoareUtils]: At program point L155(line 155) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short11#1| (= |ULTIMATE.start_main_~res~0#1| (_ +zero 11 53))) [2024-11-13 23:28:36,527 INFO L75 FloydHoareUtils]: For program point L122-1(lines 122 127) no Hoare annotation was computed. [2024-11-13 23:28:36,527 INFO L77 FloydHoareUtils]: At program point L155-2(lines 155 158) the Hoare annotation is: |ULTIMATE.start_main_#t~short11#1| [2024-11-13 23:28:36,527 INFO L75 FloydHoareUtils]: For program point L122-2(lines 122 127) no Hoare annotation was computed. [2024-11-13 23:28:36,527 INFO L75 FloydHoareUtils]: For program point L122-3(lines 122 127) no Hoare annotation was computed. [2024-11-13 23:28:36,527 INFO L75 FloydHoareUtils]: For program point L156(line 156) no Hoare annotation was computed. [2024-11-13 23:28:36,527 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 156) no Hoare annotation was computed. [2024-11-13 23:28:36,527 INFO L75 FloydHoareUtils]: For program point L41(lines 41 42) no Hoare annotation was computed. [2024-11-13 23:28:36,527 INFO L77 FloydHoareUtils]: At program point __ieee754_sqrt_returnLabel#1(lines 21 129) the Hoare annotation is: (= (_ +zero 11 53) |ULTIMATE.start___ieee754_sqrt_#res#1|) [2024-11-13 23:28:36,527 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:28:36,527 INFO L75 FloydHoareUtils]: For program point L84-2(lines 84 100) no Hoare annotation was computed. [2024-11-13 23:28:36,527 INFO L77 FloydHoareUtils]: At program point L134-1(lines 134 138) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_19| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_19|)) (_ +zero 11 53)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_19|) |ULTIMATE.start___signbit_double_~msw~0#1|))) [2024-11-13 23:28:36,527 INFO L77 FloydHoareUtils]: At program point L134-2(lines 134 138) the Hoare annotation is: (= (_ +zero 11 53) |ULTIMATE.start___signbit_double_~x#1|) [2024-11-13 23:28:36,528 INFO L77 FloydHoareUtils]: At program point L134-3(lines 134 138) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_19| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_19|)) (_ +zero 11 53)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_19|) |ULTIMATE.start___signbit_double_~msw~0#1|))) [2024-11-13 23:28:36,536 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:28:36,537 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2024-11-13 23:28:36,537 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2024-11-13 23:28:36,538 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2024-11-13 23:28:36,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:28:36 ImpRootNode [2024-11-13 23:28:36,539 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:28:36,540 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:28:36,540 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:28:36,540 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:28:36,541 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:23" (3/4) ... [2024-11-13 23:28:36,543 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:28:36,552 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2024-11-13 23:28:36,553 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-13 23:28:36,553 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:28:36,554 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:28:36,649 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:28:36,649 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:28:36,649 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:28:36,650 INFO L158 Benchmark]: Toolchain (without parser) took 378387.67ms. Allocated memory was 83.9MB in the beginning and 142.6MB in the end (delta: 58.7MB). Free memory was 60.7MB in the beginning and 29.7MB in the end (delta: 30.9MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. [2024-11-13 23:28:36,650 INFO L158 Benchmark]: CDTParser took 4.24ms. Allocated memory is still 83.9MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:28:36,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.68ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 46.9MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:28:36,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.79ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 45.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:28:36,651 INFO L158 Benchmark]: Boogie Preprocessor took 47.39ms. Allocated memory is still 83.9MB. Free memory was 45.1MB in the beginning and 43.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:28:36,652 INFO L158 Benchmark]: RCFGBuilder took 4486.51ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 39.1MB in the end (delta: 4.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-13 23:28:36,652 INFO L158 Benchmark]: CodeCheck took 373308.37ms. Allocated memory was 83.9MB in the beginning and 142.6MB in the end (delta: 58.7MB). Free memory was 39.1MB in the beginning and 36.6MB in the end (delta: 2.5MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2024-11-13 23:28:36,652 INFO L158 Benchmark]: Witness Printer took 109.26ms. Allocated memory is still 142.6MB. Free memory was 36.6MB in the beginning and 29.7MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:28:36,654 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 372.8s, OverallIterations: 66, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6833 SdHoareTripleChecker+Valid, 1857.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3204 mSDsluCounter, 3705 SdHoareTripleChecker+Invalid, 1790.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1475 mSDsCounter, 21407 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32642 IncrementalHoareTripleChecker+Invalid, 54049 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21407 mSolverCounterUnsat, 2230 mSDtfsCounter, 32642 mSolverCounterSat, 1.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27816 GetRequests, 27523 SyntacticMatches, 9 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 31555 ImplicationChecksByTransitivity, 250.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 1.4s SsaConstructionTime, 7.9s SatisfiabilityAnalysisTime, 71.3s InterpolantComputationTime, 2834 NumberOfCodeBlocks, 2834 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 2769 ConstructedInterpolants, 15 QuantifiedInterpolants, 9069 SizeOfPredicates, 47 NumberOfNonLiveVariables, 12478 ConjunctsInSsa, 917 ConjunctsInUnsatCore, 65 InterpolantComputations, 13 PerfectInterpolantSequences, 8704/15931 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 156]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (0 == ((sign + -2147483648) % 4294967296)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.24ms. Allocated memory is still 83.9MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.68ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 46.9MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.79ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 45.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.39ms. Allocated memory is still 83.9MB. Free memory was 45.1MB in the beginning and 43.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 4486.51ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 39.1MB in the end (delta: 4.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * CodeCheck took 373308.37ms. Allocated memory was 83.9MB in the beginning and 142.6MB in the end (delta: 58.7MB). Free memory was 39.1MB in the beginning and 36.6MB in the end (delta: 2.5MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. * Witness Printer took 109.26ms. Allocated memory is still 142.6MB. Free memory was 36.6MB in the beginning and 29.7MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 RESULT: Ultimate proved your program to be correct! [2024-11-13 23:28:36,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6111e5-3e40-4ecb-bfed-00ace710dc14/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE