./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9cdcebc161918b7eba8ddf37eb6929c1febb35920ec9e070875db56fc6754865 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:29:33,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:29:33,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 02:29:33,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:29:33,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:29:33,148 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:29:33,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:29:33,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:29:33,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:29:33,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:29:33,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:29:33,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:29:33,150 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:29:33,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:29:33,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:29:33,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:29:33,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:29:33,150 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:29:33,150 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:29:33,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:29:33,151 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:29:33,151 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:29:33,151 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:29:33,151 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:29:33,151 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:29:33,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:29:33,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:29:33,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:29:33,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:29:33,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:29:33,151 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:29:33,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:29:33,152 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_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cdcebc161918b7eba8ddf37eb6929c1febb35920ec9e070875db56fc6754865 [2024-12-06 02:29:33,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:29:33,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:29:33,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:29:33,405 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:29:33,406 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:29:33,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2024-12-06 02:29:36,126 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/data/b0aec9a8d/f67e598c4dcf45d4bef23221c4aaa41f/FLAG41c93da3c [2024-12-06 02:29:36,428 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:29:36,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2024-12-06 02:29:36,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/data/b0aec9a8d/f67e598c4dcf45d4bef23221c4aaa41f/FLAG41c93da3c [2024-12-06 02:29:36,674 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/data/b0aec9a8d/f67e598c4dcf45d4bef23221c4aaa41f [2024-12-06 02:29:36,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:29:36,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:29:36,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:29:36,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:29:36,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:29:36,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:29:36" (1/1) ... [2024-12-06 02:29:36,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c021149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:36, skipping insertion in model container [2024-12-06 02:29:36,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:29:36" (1/1) ... [2024-12-06 02:29:36,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:29:37,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:29:37,640 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:29:37,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:29:37,870 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-12-06 02:29:37,876 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:29:37,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:37 WrapperNode [2024-12-06 02:29:37,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:29:37,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:29:37,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:29:37,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:29:37,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:37" (1/1) ... [2024-12-06 02:29:37,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:37" (1/1) ... [2024-12-06 02:29:37,957 INFO L138 Inliner]: procedures = 613, calls = 509, calls flagged for inlining = 19, calls inlined = 17, statements flattened = 819 [2024-12-06 02:29:37,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:29:37,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:29:37,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:29:37,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:29:37,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:37" (1/1) ... [2024-12-06 02:29:37,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:37" (1/1) ... [2024-12-06 02:29:37,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:37" (1/1) ... [2024-12-06 02:29:37,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:37" (1/1) ... [2024-12-06 02:29:38,006 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:37" (1/1) ... [2024-12-06 02:29:38,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:37" (1/1) ... [2024-12-06 02:29:38,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:37" (1/1) ... [2024-12-06 02:29:38,020 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:37" (1/1) ... [2024-12-06 02:29:38,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:37" (1/1) ... [2024-12-06 02:29:38,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:29:38,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:29:38,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:29:38,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:29:38,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:29:37" (1/1) ... [2024-12-06 02:29:38,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:29:38,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:29:38,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:29:38,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:29:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:29:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-12-06 02:29:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-06 02:29:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:29:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 02:29:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:29:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 02:29:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:29:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:29:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-12-06 02:29:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-12-06 02:29:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-12-06 02:29:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-12-06 02:29:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:29:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:29:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:29:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 02:29:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_all [2024-12-06 02:29:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure fflush_all [2024-12-06 02:29:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 02:29:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:29:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:29:38,404 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:29:38,406 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:29:39,129 INFO L? ?]: Removed 223 outVars from TransFormulas that were not future-live. [2024-12-06 02:29:39,129 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:29:39,300 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:29:39,300 INFO L312 CfgBuilder]: Removed 9 assume(true) statements. [2024-12-06 02:29:39,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:29:39 BoogieIcfgContainer [2024-12-06 02:29:39,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:29:39,301 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:29:39,301 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:29:39,311 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:29:39,311 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:29:39" (1/1) ... [2024-12-06 02:29:39,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:29:39,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:39,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 112 states and 136 transitions. [2024-12-06 02:29:39,368 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 136 transitions. [2024-12-06 02:29:39,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:29:39,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:39,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:39,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:39,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 114 states and 139 transitions. [2024-12-06 02:29:39,982 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2024-12-06 02:29:39,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:29:39,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:39,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:40,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:40,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 115 states and 140 transitions. [2024-12-06 02:29:40,270 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 140 transitions. [2024-12-06 02:29:40,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:29:40,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:40,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:40,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:40,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:40,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 117 states and 143 transitions. [2024-12-06 02:29:40,588 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 143 transitions. [2024-12-06 02:29:40,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:29:40,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:40,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:40,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:29:40,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:40,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 116 states and 142 transitions. [2024-12-06 02:29:40,830 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 142 transitions. [2024-12-06 02:29:40,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:29:40,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:40,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:41,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:41,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:41,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 117 states and 143 transitions. [2024-12-06 02:29:41,149 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 143 transitions. [2024-12-06 02:29:41,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:29:41,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:41,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:41,378 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:29:41,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:41,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 116 states and 142 transitions. [2024-12-06 02:29:41,505 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 142 transitions. [2024-12-06 02:29:41,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 02:29:41,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:41,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:41,640 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 02:29:41,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 115 states and 141 transitions. [2024-12-06 02:29:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 141 transitions. [2024-12-06 02:29:41,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:29:41,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:41,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:41,955 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:42,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:42,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 118 states and 144 transitions. [2024-12-06 02:29:42,147 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 144 transitions. [2024-12-06 02:29:42,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:29:42,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:42,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:42,415 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 121 states and 147 transitions. [2024-12-06 02:29:42,560 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2024-12-06 02:29:42,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:29:42,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:42,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:42,797 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:42,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:42,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 124 states and 150 transitions. [2024-12-06 02:29:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 150 transitions. [2024-12-06 02:29:42,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:29:42,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:42,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:43,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:43,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 127 states and 153 transitions. [2024-12-06 02:29:43,418 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 153 transitions. [2024-12-06 02:29:43,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 02:29:43,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:43,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:43,745 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:43,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:43,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 130 states and 156 transitions. [2024-12-06 02:29:43,938 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 156 transitions. [2024-12-06 02:29:43,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:29:43,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:43,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:44,191 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:44,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:44,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 133 states and 159 transitions. [2024-12-06 02:29:44,389 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2024-12-06 02:29:44,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:29:44,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:44,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:44,669 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:44,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:44,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 136 states and 162 transitions. [2024-12-06 02:29:44,868 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2024-12-06 02:29:44,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:29:44,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:44,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:45,197 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:45,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:45,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 139 states and 164 transitions. [2024-12-06 02:29:45,324 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2024-12-06 02:29:45,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 02:29:45,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:45,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:45,634 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:29:45,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:45,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 138 states and 163 transitions. [2024-12-06 02:29:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2024-12-06 02:29:45,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 02:29:45,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:45,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:45,999 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:29:46,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:46,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 137 states and 162 transitions. [2024-12-06 02:29:46,021 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 162 transitions. [2024-12-06 02:29:46,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 02:29:46,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:46,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:46,216 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:29:46,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:46,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 136 states and 161 transitions. [2024-12-06 02:29:46,341 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 161 transitions. [2024-12-06 02:29:46,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 02:29:46,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:46,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:46,622 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:29:46,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:46,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 138 states and 164 transitions. [2024-12-06 02:29:46,720 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 164 transitions. [2024-12-06 02:29:46,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 02:29:46,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:46,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:46,934 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:29:46,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 139 states and 165 transitions. [2024-12-06 02:29:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 165 transitions. [2024-12-06 02:29:46,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 02:29:46,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:46,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:47,448 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:29:47,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:47,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 81 transitions. [2024-12-06 02:29:47,743 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2024-12-06 02:29:47,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 02:29:47,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:47,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:29:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:48,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 75 states and 84 transitions. [2024-12-06 02:29:48,123 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2024-12-06 02:29:48,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 02:29:48,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:48,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:48,379 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-12-06 02:29:48,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:48,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 80 states and 93 transitions. [2024-12-06 02:29:48,760 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2024-12-06 02:29:48,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 02:29:48,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:48,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-12-06 02:29:49,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:49,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 79 states and 92 transitions. [2024-12-06 02:29:49,232 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2024-12-06 02:29:49,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 02:29:49,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:49,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:49,412 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-12-06 02:29:49,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 80 states and 93 transitions. [2024-12-06 02:29:49,431 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2024-12-06 02:29:49,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 02:29:49,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:49,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:49,645 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-12-06 02:29:49,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:49,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 96 transitions. [2024-12-06 02:29:49,964 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2024-12-06 02:29:49,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 02:29:49,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:49,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-06 02:29:50,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 100 transitions. [2024-12-06 02:29:50,656 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2024-12-06 02:29:50,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 02:29:50,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:50,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:50,912 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:29:51,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:51,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 85 states and 101 transitions. [2024-12-06 02:29:51,145 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2024-12-06 02:29:51,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 02:29:51,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:51,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:51,358 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-12-06 02:29:51,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:51,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 87 states and 102 transitions. [2024-12-06 02:29:51,582 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2024-12-06 02:29:51,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 02:29:51,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:51,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:51,877 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:29:52,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:52,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 90 states and 105 transitions. [2024-12-06 02:29:52,264 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2024-12-06 02:29:52,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-06 02:29:52,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:52,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:52,488 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:29:52,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:52,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 93 states and 108 transitions. [2024-12-06 02:29:52,836 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 108 transitions. [2024-12-06 02:29:52,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 02:29:52,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:52,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:53,142 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:29:53,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:53,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 96 states and 111 transitions. [2024-12-06 02:29:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2024-12-06 02:29:53,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-06 02:29:53,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:53,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:29:54,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:54,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 99 states and 114 transitions. [2024-12-06 02:29:54,351 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2024-12-06 02:29:54,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 02:29:54,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:54,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:54,715 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:29:55,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:55,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 102 states and 117 transitions. [2024-12-06 02:29:55,104 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 117 transitions. [2024-12-06 02:29:55,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-06 02:29:55,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:55,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:55,487 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:29:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:55,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 105 states and 120 transitions. [2024-12-06 02:29:55,878 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2024-12-06 02:29:55,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 02:29:55,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:55,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:56,211 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:29:56,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:56,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 108 states and 123 transitions. [2024-12-06 02:29:56,664 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 123 transitions. [2024-12-06 02:29:56,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-06 02:29:56,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:56,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:56,959 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:29:57,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:57,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 111 states and 125 transitions. [2024-12-06 02:29:57,252 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 125 transitions. [2024-12-06 02:29:57,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-06 02:29:57,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:57,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:29:57,698 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:29:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:30:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:08,658 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 02:30:08,663 INFO L158 Benchmark]: Toolchain (without parser) took 31984.99ms. Allocated memory was 142.6MB in the beginning and 746.6MB in the end (delta: 604.0MB). Free memory was 113.2MB in the beginning and 659.7MB in the end (delta: -546.5MB). Peak memory consumption was 383.2MB. Max. memory is 16.1GB. [2024-12-06 02:30:08,663 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:30:08,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1198.30ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 79.9MB in the end (delta: 33.1MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2024-12-06 02:30:08,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.70ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 72.1MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:30:08,664 INFO L158 Benchmark]: Boogie Preprocessor took 75.13ms. Allocated memory is still 142.6MB. Free memory was 72.1MB in the beginning and 65.3MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:30:08,665 INFO L158 Benchmark]: RCFGBuilder took 1266.68ms. Allocated memory is still 142.6MB. Free memory was 65.3MB in the beginning and 60.7MB in the end (delta: 4.5MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-12-06 02:30:08,665 INFO L158 Benchmark]: CodeCheck took 29360.28ms. Allocated memory was 142.6MB in the beginning and 746.6MB in the end (delta: 604.0MB). Free memory was 60.7MB in the beginning and 659.7MB in the end (delta: -599.0MB). Peak memory consumption was 325.5MB. Max. memory is 16.1GB. [2024-12-06 02:30:08,668 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1198.30ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 79.9MB in the end (delta: 33.1MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.70ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 72.1MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.13ms. Allocated memory is still 142.6MB. Free memory was 72.1MB in the beginning and 65.3MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1266.68ms. Allocated memory is still 142.6MB. Free memory was 65.3MB in the beginning and 60.7MB in the end (delta: 4.5MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * CodeCheck took 29360.28ms. Allocated memory was 142.6MB in the beginning and 746.6MB in the end (delta: 604.0MB). Free memory was 60.7MB in the beginning and 659.7MB in the end (delta: -599.0MB). Peak memory consumption was 325.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:30:08,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9cdcebc161918b7eba8ddf37eb6929c1febb35920ec9e070875db56fc6754865 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:30:10,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:30:10,712 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 02:30:10,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:30:10,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:30:10,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:30:10,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:30:10,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:30:10,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:30:10,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:30:10,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:30:10,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:30:10,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:30:10,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:30:10,739 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:30:10,739 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:30:10,739 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:30:10,739 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:30:10,739 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:30:10,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:30:10,739 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:30:10,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:30:10,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:30:10,739 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:30:10,740 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:30:10,740 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:10,740 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:30:10,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:30:10,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:30:10,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:30:10,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:30:10,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:30:10,740 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:30:10,740 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:10,740 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:30:10,740 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_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cdcebc161918b7eba8ddf37eb6929c1febb35920ec9e070875db56fc6754865 [2024-12-06 02:30:10,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:30:10,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:30:10,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:30:10,985 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:30:10,986 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:30:10,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2024-12-06 02:30:13,638 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/data/54638e281/3dbb1d1db53146ba9ef9e3887cf63857/FLAGb24ce0950 [2024-12-06 02:30:13,969 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:30:13,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2024-12-06 02:30:13,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/data/54638e281/3dbb1d1db53146ba9ef9e3887cf63857/FLAGb24ce0950 [2024-12-06 02:30:14,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/data/54638e281/3dbb1d1db53146ba9ef9e3887cf63857 [2024-12-06 02:30:14,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:30:14,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:30:14,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:30:14,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:30:14,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:30:14,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:30:14" (1/1) ... [2024-12-06 02:30:14,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55037159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:14, skipping insertion in model container [2024-12-06 02:30:14,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:30:14" (1/1) ... [2024-12-06 02:30:14,243 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:30:15,126 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:30:15,128 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:30:15,131 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:30:15,133 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:30:15,136 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:30:15,136 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:30:15,138 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:30:15,138 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:30:15,140 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:30:15,144 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:30:15,145 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:30:15,151 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:30:15,151 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:30:15,157 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:30:15,160 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:30:15,166 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:30:15,174 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:30:15,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:30:15,213 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:30:15,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:30:15,509 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-12-06 02:30:15,515 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:30:15,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:15 WrapperNode [2024-12-06 02:30:15,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:30:15,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:30:15,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:30:15,516 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:30:15,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:15" (1/1) ... [2024-12-06 02:30:15,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:15" (1/1) ... [2024-12-06 02:30:15,601 INFO L138 Inliner]: procedures = 624, calls = 509, calls flagged for inlining = 19, calls inlined = 17, statements flattened = 799 [2024-12-06 02:30:15,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:30:15,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:30:15,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:30:15,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:30:15,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:15" (1/1) ... [2024-12-06 02:30:15,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:15" (1/1) ... [2024-12-06 02:30:15,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:15" (1/1) ... [2024-12-06 02:30:15,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:15" (1/1) ... [2024-12-06 02:30:15,657 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:15" (1/1) ... [2024-12-06 02:30:15,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:15" (1/1) ... [2024-12-06 02:30:15,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:15" (1/1) ... [2024-12-06 02:30:15,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:15" (1/1) ... [2024-12-06 02:30:15,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:15" (1/1) ... [2024-12-06 02:30:15,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:30:15,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:30:15,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:30:15,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:30:15,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:15" (1/1) ... [2024-12-06 02:30:15,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:30:15,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:30:15,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:30:15,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:30:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:30:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-12-06 02:30:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:30:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 02:30:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 02:30:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:30:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 02:30:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2024-12-06 02:30:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2024-12-06 02:30:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2024-12-06 02:30:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:30:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:30:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-12-06 02:30:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-12-06 02:30:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-12-06 02:30:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 02:30:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-12-06 02:30:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-12-06 02:30:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:30:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:30:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:30:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 02:30:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_all [2024-12-06 02:30:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure fflush_all [2024-12-06 02:30:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-12-06 02:30:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 02:30:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 02:30:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-12-06 02:30:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2024-12-06 02:30:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-12-06 02:30:16,073 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:30:16,076 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:30:17,678 INFO L? ?]: Removed 215 outVars from TransFormulas that were not future-live. [2024-12-06 02:30:17,678 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:30:17,863 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:30:17,863 INFO L312 CfgBuilder]: Removed 9 assume(true) statements. [2024-12-06 02:30:17,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:30:17 BoogieIcfgContainer [2024-12-06 02:30:17,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:30:17,864 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:30:17,864 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:30:17,874 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:30:17,874 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:30:17" (1/1) ... [2024-12-06 02:30:17,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:30:17,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:17,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 112 states and 136 transitions. [2024-12-06 02:30:17,932 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 136 transitions. [2024-12-06 02:30:17,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:30:17,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:17,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:17,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:17,939 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:17,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:30:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:18,362 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:18,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 02:30:18,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:18,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:30:18,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:30:19,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:19,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 111 states and 135 transitions. [2024-12-06 02:30:19,955 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 135 transitions. [2024-12-06 02:30:19,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:30:19,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:19,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:19,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:19,958 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:19,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:30:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:20,991 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:21,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 02:30:21,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:21,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:30:21,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:30:22,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 02:30:22,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 114 states and 139 transitions. [2024-12-06 02:30:22,774 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2024-12-06 02:30:22,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:30:22,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:22,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:22,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:22,776 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:22,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:30:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:23,725 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:24,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:30:24,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:24,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:30:24,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:30:24,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:24,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 117 states and 142 transitions. [2024-12-06 02:30:24,489 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 142 transitions. [2024-12-06 02:30:24,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:30:24,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:24,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:24,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:24,491 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:24,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 02:30:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:25,431 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:25,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 02:30:25,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:30:26,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 02:30:26,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:26,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 120 states and 145 transitions. [2024-12-06 02:30:26,250 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 145 transitions. [2024-12-06 02:30:26,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:30:26,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:26,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:26,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:26,252 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:26,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 02:30:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:27,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:27,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:30:27,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:30:27,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 02:30:28,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:28,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 123 states and 148 transitions. [2024-12-06 02:30:28,165 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 148 transitions. [2024-12-06 02:30:28,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:30:28,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:28,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:28,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:28,168 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:28,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 02:30:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:29,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:29,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:30:29,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:29,710 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:30:29,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 02:30:30,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:30,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 126 states and 151 transitions. [2024-12-06 02:30:30,059 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 151 transitions. [2024-12-06 02:30:30,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:30:30,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:30,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:30,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:30,061 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:30,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 02:30:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:31,097 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:31,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:30:31,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:31,880 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:30:31,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 02:30:32,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:32,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 129 states and 154 transitions. [2024-12-06 02:30:32,290 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 154 transitions. [2024-12-06 02:30:32,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:30:32,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:32,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:32,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:32,292 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:32,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 02:30:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:33,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:33,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 02:30:33,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:34,028 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:30:34,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 02:30:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:34,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 132 states and 157 transitions. [2024-12-06 02:30:34,508 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 157 transitions. [2024-12-06 02:30:34,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 02:30:34,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:34,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:34,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:34,511 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:34,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 02:30:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:35,532 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:36,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 02:30:36,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:30:36,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 02:30:36,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:36,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 135 states and 160 transitions. [2024-12-06 02:30:36,924 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2024-12-06 02:30:36,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:30:36,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:36,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:36,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:36,926 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:36,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 02:30:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:37,982 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:38,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:30:38,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:38,802 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:30:38,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 02:30:39,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:39,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 138 states and 163 transitions. [2024-12-06 02:30:39,393 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2024-12-06 02:30:39,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:30:39,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:39,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:39,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:39,396 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:39,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 02:30:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:40,490 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:41,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 02:30:41,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:41,474 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:30:41,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 02:30:42,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 141 states and 166 transitions. [2024-12-06 02:30:42,133 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2024-12-06 02:30:42,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:30:42,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:42,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:42,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:42,136 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:42,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 02:30:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:43,202 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:43,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:30:43,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:44,123 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:30:44,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 02:30:44,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:44,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 138 states and 161 transitions. [2024-12-06 02:30:44,836 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2024-12-06 02:30:44,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 02:30:44,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:44,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:44,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:44,838 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:44,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 02:30:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:45,221 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:45,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 02:30:45,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:45,698 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:30:45,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 02:30:45,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:45,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 137 states and 160 transitions. [2024-12-06 02:30:45,715 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2024-12-06 02:30:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 02:30:45,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:45,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:45,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:45,717 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:45,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 02:30:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:47,077 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:47,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:30:47,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:30:47,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 02:30:48,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:48,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 136 states and 159 transitions. [2024-12-06 02:30:48,467 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2024-12-06 02:30:48,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 02:30:48,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:48,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:48,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:48,469 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:48,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 02:30:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:49,003 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:49,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 02:30:49,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:49,478 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:30:49,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 02:30:49,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:49,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 135 states and 158 transitions. [2024-12-06 02:30:49,488 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2024-12-06 02:30:49,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 02:30:49,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:49,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:49,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:49,491 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:49,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 02:30:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:49,936 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:50,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 02:30:50,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:50,632 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:30:50,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 02:30:50,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:50,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 134 states and 157 transitions. [2024-12-06 02:30:50,910 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2024-12-06 02:30:50,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 02:30:50,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:50,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:50,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:50,913 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:50,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 02:30:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:51,410 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:51,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 02:30:51,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:30:51,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 02:30:53,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 02:30:53,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:53,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 133 states and 156 transitions. [2024-12-06 02:30:53,546 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2024-12-06 02:30:53,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 02:30:53,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:53,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:53,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:53,548 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:53,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 02:30:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:54,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:54,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 02:30:54,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:30:54,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 02:30:54,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:54,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 132 states and 155 transitions. [2024-12-06 02:30:54,632 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2024-12-06 02:30:54,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 02:30:54,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:54,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:54,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:54,634 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:54,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 02:30:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:56,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:56,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 02:30:56,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:57,153 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:30:57,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 02:30:58,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:58,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 71 transitions. [2024-12-06 02:30:58,478 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2024-12-06 02:30:58,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 02:30:58,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:58,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:58,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:58,480 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:58,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 02:30:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:59,735 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:00,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 02:31:00,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:31:00,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 02:31:01,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:01,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 75 transitions. [2024-12-06 02:31:01,032 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2024-12-06 02:31:01,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 02:31:01,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:01,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:01,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:01,034 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:01,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 02:31:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:02,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:03,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:31:03,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:03,317 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:31:03,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 02:31:04,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:04,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 72 states and 78 transitions. [2024-12-06 02:31:04,154 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2024-12-06 02:31:04,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 02:31:04,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:04,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:04,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:04,157 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:04,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 02:31:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:05,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:06,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 02:31:06,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:31:06,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 02:31:07,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:07,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 75 states and 81 transitions. [2024-12-06 02:31:07,361 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 81 transitions. [2024-12-06 02:31:07,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 02:31:07,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:07,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:07,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:07,364 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:07,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 02:31:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:08,724 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:09,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:31:09,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:09,704 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:31:09,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 02:31:10,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:10,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 78 states and 84 transitions. [2024-12-06 02:31:10,634 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions. [2024-12-06 02:31:10,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 02:31:10,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:10,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:10,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:10,636 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:10,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 02:31:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:12,075 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:12,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:31:12,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:12,961 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:31:12,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 02:31:13,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 81 states and 87 transitions. [2024-12-06 02:31:13,974 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2024-12-06 02:31:13,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 02:31:13,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:13,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:13,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:13,976 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:13,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 02:31:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:15,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:16,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:31:16,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:16,485 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:31:16,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 02:31:17,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:17,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 84 states and 90 transitions. [2024-12-06 02:31:17,577 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 90 transitions. [2024-12-06 02:31:17,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 02:31:17,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:17,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:17,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:17,579 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:17,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 02:31:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:19,157 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:19,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 02:31:19,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:20,160 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:31:20,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 02:31:21,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:21,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 87 states and 93 transitions. [2024-12-06 02:31:21,329 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2024-12-06 02:31:21,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 02:31:21,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:21,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:21,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:21,331 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:21,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 02:31:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:22,800 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:23,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 02:31:23,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:23,927 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:31:23,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 02:31:25,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:25,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 90 states and 96 transitions. [2024-12-06 02:31:25,203 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2024-12-06 02:31:25,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 02:31:25,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:25,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:25,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:25,205 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:25,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 02:31:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:26,779 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:27,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:31:27,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:27,850 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:31:27,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 02:31:29,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:29,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 93 states and 99 transitions. [2024-12-06 02:31:29,199 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2024-12-06 02:31:29,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-06 02:31:29,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:29,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:29,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:29,202 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:29,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 02:31:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:30,786 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:31,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 02:31:31,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:32,025 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:31:32,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 02:31:33,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:33,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 96 states and 102 transitions. [2024-12-06 02:31:33,446 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions. [2024-12-06 02:31:33,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-06 02:31:33,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:33,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:33,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:33,448 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:33,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 02:31:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:35,146 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:35,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:31:35,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:31:36,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 02:31:37,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:37,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 93 states and 97 transitions. [2024-12-06 02:31:37,913 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 97 transitions. [2024-12-06 02:31:37,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-06 02:31:37,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:37,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:37,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:37,915 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:37,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 02:31:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:39,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:40,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 02:31:40,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:40,789 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-12-06 02:31:40,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 02:31:57,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:57,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 126 states and 131 transitions. [2024-12-06 02:31:57,396 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 131 transitions. [2024-12-06 02:31:57,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-06 02:31:57,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:57,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:57,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:57,398 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:57,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab42c2f0-3d03-4c28-89d1-fff72fa5d377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process