./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/list-ext_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/list-ext_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8708d72a830c5b897b9a667c6367e709c7302fa81ab6e6c80a90a68a6807b5fb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:38,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:38,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 20:17:38,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:38,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:38,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:38,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:38,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:38,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:38,501 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:17:38,502 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:38,502 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:17:38,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:38,502 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 20:17:38,503 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 20:17:38,503 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 20:17:38,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:38,504 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:38,504 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:38,504 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:17:38,504 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:38,504 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:38,504 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:38,505 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:38,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:38,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:38,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:38,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:38,506 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:38,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:38,506 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_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8708d72a830c5b897b9a667c6367e709c7302fa81ab6e6c80a90a68a6807b5fb [2024-11-13 20:17:38,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:38,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:38,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:38,951 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:38,952 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:38,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/list-ext-properties/list-ext_2.i Unable to find full path for "g++" [2024-11-13 20:17:41,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:41,450 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:41,451 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/sv-benchmarks/c/list-ext-properties/list-ext_2.i [2024-11-13 20:17:41,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/data/31a482711/6fa0cd1b4fdc404d95303b7dd31d889b/FLAG7026c359a [2024-11-13 20:17:41,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/data/31a482711/6fa0cd1b4fdc404d95303b7dd31d889b [2024-11-13 20:17:41,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:41,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:41,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:41,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:41,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:41,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:41" (1/1) ... [2024-11-13 20:17:41,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a86c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:41, skipping insertion in model container [2024-11-13 20:17:41,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:41" (1/1) ... [2024-11-13 20:17:41,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:41,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:41,982 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:42,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:42,095 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:42,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:42 WrapperNode [2024-11-13 20:17:42,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:42,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:42,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:42,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:42,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:42" (1/1) ... [2024-11-13 20:17:42,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:42" (1/1) ... [2024-11-13 20:17:42,139 INFO L138 Inliner]: procedures = 125, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 137 [2024-11-13 20:17:42,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:42,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:42,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:42,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:42,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:42" (1/1) ... [2024-11-13 20:17:42,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:42" (1/1) ... [2024-11-13 20:17:42,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:42" (1/1) ... [2024-11-13 20:17:42,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:42" (1/1) ... [2024-11-13 20:17:42,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:42" (1/1) ... [2024-11-13 20:17:42,183 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:42" (1/1) ... [2024-11-13 20:17:42,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:42" (1/1) ... [2024-11-13 20:17:42,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:42" (1/1) ... [2024-11-13 20:17:42,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:42,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:42,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:42,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:42,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:42" (1/1) ... [2024-11-13 20:17:42,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:42,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:42,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:42,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:17:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:17:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 20:17:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 20:17:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 20:17:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:17:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:17:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:42,447 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:42,449 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:42,931 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:42,931 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:43,038 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:43,038 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 20:17:43,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:43 BoogieIcfgContainer [2024-11-13 20:17:43,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:43,040 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:43,040 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:43,055 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:43,055 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:43" (1/1) ... [2024-11-13 20:17:43,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:43,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:43,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 80 states and 94 transitions. [2024-11-13 20:17:43,149 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2024-11-13 20:17:43,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:17:43,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:43,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:43,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:43,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:43,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2024-11-13 20:17:43,616 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2024-11-13 20:17:43,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:17:43,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:43,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:43,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:44,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2024-11-13 20:17:44,252 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2024-11-13 20:17:44,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:17:44,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:44,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:44,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:44,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:44,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 86 states and 102 transitions. [2024-11-13 20:17:44,317 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2024-11-13 20:17:44,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:17:44,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:44,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:44,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:44,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:44,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 89 states and 107 transitions. [2024-11-13 20:17:44,453 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 107 transitions. [2024-11-13 20:17:44,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:17:44,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:44,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:44,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:44,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:44,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 92 states and 112 transitions. [2024-11-13 20:17:44,699 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 112 transitions. [2024-11-13 20:17:44,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:17:44,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:44,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:44,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:44,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:44,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 93 states and 113 transitions. [2024-11-13 20:17:44,784 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 113 transitions. [2024-11-13 20:17:44,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:17:44,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:44,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:45,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:45,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:45,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 94 states and 115 transitions. [2024-11-13 20:17:45,241 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2024-11-13 20:17:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:17:45,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:45,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:45,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:45,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:45,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 93 states and 114 transitions. [2024-11-13 20:17:45,445 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2024-11-13 20:17:45,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:17:45,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:45,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:45,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:45,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 95 states and 117 transitions. [2024-11-13 20:17:45,688 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2024-11-13 20:17:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:17:45,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:45,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:45,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:45,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2024-11-13 20:17:45,760 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2024-11-13 20:17:45,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:17:45,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:45,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:45,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:45,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 95 states and 117 transitions. [2024-11-13 20:17:45,939 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2024-11-13 20:17:45,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:17:45,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:45,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:45,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:46,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:46,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2024-11-13 20:17:46,024 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2024-11-13 20:17:46,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:17:46,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:46,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:46,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:46,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 95 states and 120 transitions. [2024-11-13 20:17:46,290 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 120 transitions. [2024-11-13 20:17:46,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:17:46,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:46,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:46,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:46,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:46,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 102 states and 134 transitions. [2024-11-13 20:17:46,836 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 134 transitions. [2024-11-13 20:17:46,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:17:46,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:46,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:47,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:47,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:47,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 109 states and 149 transitions. [2024-11-13 20:17:47,370 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 149 transitions. [2024-11-13 20:17:47,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:17:47,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:47,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:47,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:47,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:47,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 108 states and 148 transitions. [2024-11-13 20:17:47,518 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 148 transitions. [2024-11-13 20:17:47,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:17:47,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:47,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:47,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:47,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:47,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 110 states and 151 transitions. [2024-11-13 20:17:47,730 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 151 transitions. [2024-11-13 20:17:47,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:17:47,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:47,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:47,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:47,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:47,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 109 states and 150 transitions. [2024-11-13 20:17:47,802 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 150 transitions. [2024-11-13 20:17:47,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:17:47,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:47,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:47,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 110 states and 155 transitions. [2024-11-13 20:17:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 155 transitions. [2024-11-13 20:17:47,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:17:47,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:47,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:48,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:48,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 112 states and 160 transitions. [2024-11-13 20:17:48,140 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 160 transitions. [2024-11-13 20:17:48,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:17:48,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:48,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:48,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:48,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:48,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 113 states and 161 transitions. [2024-11-13 20:17:48,347 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 161 transitions. [2024-11-13 20:17:48,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:17:48,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:48,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:48,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:48,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:48,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 114 states and 163 transitions. [2024-11-13 20:17:48,413 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 163 transitions. [2024-11-13 20:17:48,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:17:48,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:48,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:48,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:48,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:48,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 116 states and 168 transitions. [2024-11-13 20:17:48,719 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2024-11-13 20:17:48,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:17:48,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:48,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:49,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:49,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:49,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 108 states and 151 transitions. [2024-11-13 20:17:49,663 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 151 transitions. [2024-11-13 20:17:49,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:17:49,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:49,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:49,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:50,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:50,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 103 states and 145 transitions. [2024-11-13 20:17:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 145 transitions. [2024-11-13 20:17:50,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:17:50,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:50,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:51,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:52,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:52,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 105 states and 151 transitions. [2024-11-13 20:17:52,143 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2024-11-13 20:17:52,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:17:52,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:52,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:52,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:52,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:52,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 104 states and 150 transitions. [2024-11-13 20:17:52,192 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 150 transitions. [2024-11-13 20:17:52,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:17:52,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:52,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:52,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:52,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:52,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 106 states and 153 transitions. [2024-11-13 20:17:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 153 transitions. [2024-11-13 20:17:52,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:17:52,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:52,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:52,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:52,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 105 states and 152 transitions. [2024-11-13 20:17:52,460 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 152 transitions. [2024-11-13 20:17:52,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:17:52,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:52,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:52,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:52,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:52,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 108 states and 160 transitions. [2024-11-13 20:17:52,652 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 160 transitions. [2024-11-13 20:17:52,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:17:52,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:52,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:52,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:53,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:53,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 97 states and 136 transitions. [2024-11-13 20:17:53,150 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 136 transitions. [2024-11-13 20:17:53,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:17:53,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:53,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:53,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:53,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:53,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 89 states and 128 transitions. [2024-11-13 20:17:53,589 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2024-11-13 20:17:53,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:17:53,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:53,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:53,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:54,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:54,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 91 states and 133 transitions. [2024-11-13 20:17:54,525 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 133 transitions. [2024-11-13 20:17:54,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:17:54,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:54,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:55,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:55,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 99 states and 146 transitions. [2024-11-13 20:17:55,915 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2024-11-13 20:17:55,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:17:55,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:55,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:56,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:57,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:57,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 103 states and 151 transitions. [2024-11-13 20:17:57,348 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 151 transitions. [2024-11-13 20:17:57,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:17:57,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:57,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:57,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:57,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:57,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 107 states and 157 transitions. [2024-11-13 20:17:57,903 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 157 transitions. [2024-11-13 20:17:57,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:17:57,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:57,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:57,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:58,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:58,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 113 states and 167 transitions. [2024-11-13 20:17:58,388 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 167 transitions. [2024-11-13 20:17:58,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:17:58,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:58,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:58,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:58,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:58,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 117 states and 172 transitions. [2024-11-13 20:17:58,976 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2024-11-13 20:17:58,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:17:58,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:58,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:17:59,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:59,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 119 states and 175 transitions. [2024-11-13 20:17:59,132 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2024-11-13 20:17:59,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:17:59,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:59,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:59,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:59,226 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:59,258 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 40 iterations. [2024-11-13 20:17:59,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:59 ImpRootNode [2024-11-13 20:17:59,306 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:59,307 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:59,307 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:59,307 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:59,308 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:43" (3/4) ... [2024-11-13 20:17:59,311 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:59,312 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:59,313 INFO L158 Benchmark]: Toolchain (without parser) took 17822.93ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 92.8MB in the beginning and 139.2MB in the end (delta: -46.3MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-11-13 20:17:59,316 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 167.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:59,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 605.21ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 75.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:59,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.97ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 73.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:59,317 INFO L158 Benchmark]: Boogie Preprocessor took 58.11ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:59,317 INFO L158 Benchmark]: RCFGBuilder took 839.56ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 45.9MB in the end (delta: 25.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:17:59,317 INFO L158 Benchmark]: CodeCheck took 16266.61ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 45.5MB in the beginning and 140.7MB in the end (delta: -95.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:59,318 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 176.2MB. Free memory was 140.7MB in the beginning and 139.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:59,319 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 80 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 16.2s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3510 SdHoareTripleChecker+Valid, 22.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2673 mSDsluCounter, 3500 SdHoareTripleChecker+Invalid, 18.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2417 mSDsCounter, 2327 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8552 IncrementalHoareTripleChecker+Invalid, 10879 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2327 mSolverCounterUnsat, 1083 mSDtfsCounter, 8552 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3562 GetRequests, 3315 SyntacticMatches, 91 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9366 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 422 NumberOfCodeBlocks, 422 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 2083 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 33 PerfectInterpolantSequences, 12/24 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 12]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 12. Possible FailurePath: [L533] int i = 0; [L534] int y = 0; [L535] List a = (List) malloc(sizeof(struct node)); [L536] COND FALSE !(a == 0) [L537] List t; [L538] List p = a; VAL [a={-1:0}, i=0, p={-1:0}, y=0] [L539] i < 10 && __VERIFIER_nondet_int() [L539] i < 10 && __VERIFIER_nondet_int() VAL [a={-1:0}, i=0, p={-1:0}, y=0] [L539] COND FALSE !(i < 10 && __VERIFIER_nondet_int()) [L547] y < 10 && __VERIFIER_nondet_int() [L547] y < 10 && __VERIFIER_nondet_int() VAL [a={-1:0}, i=0, p={-1:0}, y=0] [L547] COND FALSE !(y < 10 && __VERIFIER_nondet_int()) [L555] p->h = 3 [L556] p->n = (void*)__VERIFIER_nondet_ulong() [L557] i = 0 [L558] y = 0 [L559] p = a VAL [a={-1:0}, i=0, p={-1:0}, y=0] [L560] EXPR p->h VAL [a={-1:0}, i=0, p={-1:0}, y=0] [L560] COND FALSE !(p->h == 1) [L564] EXPR p->h VAL [a={-1:0}, i=0, p={-1:0}, y=0] [L564] COND FALSE !(p->h == 2) [L568] EXPR p->h VAL [a={-1:0}, i=0, y=0] [L568] COND TRUE p->h != 3 || (i + y) < 20 [L569] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "list-ext_2.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15ms. Allocated memory is still 167.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 605.21ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 75.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.97ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 73.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.11ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 839.56ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 45.9MB in the end (delta: 25.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 16266.61ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 45.5MB in the beginning and 140.7MB in the end (delta: -95.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 176.2MB. Free memory was 140.7MB in the beginning and 139.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:17:59,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/list-ext_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8708d72a830c5b897b9a667c6367e709c7302fa81ab6e6c80a90a68a6807b5fb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:18:02,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:18:02,444 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-13 20:18:02,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:18:02,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:18:02,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:18:02,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:18:02,519 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:18:02,520 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:18:02,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:18:02,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:18:02,522 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 20:18:02,523 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 20:18:02,523 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 20:18:02,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:18:02,523 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:18:02,524 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:18:02,524 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:18:02,524 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:18:02,524 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:18:02,524 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:18:02,524 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:18:02,524 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:18:02,524 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:18:02,524 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:18:02,525 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:02,525 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:18:02,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:18:02,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:02,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:18:02,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:18:02,526 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:18:02,526 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:02,526 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:18:02,526 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_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8708d72a830c5b897b9a667c6367e709c7302fa81ab6e6c80a90a68a6807b5fb [2024-11-13 20:18:02,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:18:02,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:18:02,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:18:02,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:18:02,979 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:18:02,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/list-ext-properties/list-ext_2.i Unable to find full path for "g++" [2024-11-13 20:18:05,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:18:05,534 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:18:05,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/sv-benchmarks/c/list-ext-properties/list-ext_2.i [2024-11-13 20:18:05,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/data/359739099/a3e55449575b4414beb6aef83738d79a/FLAG3e32ee3e0 [2024-11-13 20:18:05,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/data/359739099/a3e55449575b4414beb6aef83738d79a [2024-11-13 20:18:05,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:18:05,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:18:05,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:05,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:18:05,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:18:05,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f66aab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05, skipping insertion in model container [2024-11-13 20:18:05,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:18:06,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:06,125 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:18:06,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:06,251 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:18:06,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:06 WrapperNode [2024-11-13 20:18:06,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:06,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:06,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:18:06,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:18:06,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:06" (1/1) ... [2024-11-13 20:18:06,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:06" (1/1) ... [2024-11-13 20:18:06,329 INFO L138 Inliner]: procedures = 128, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 136 [2024-11-13 20:18:06,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:06,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:18:06,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:18:06,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:18:06,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:06" (1/1) ... [2024-11-13 20:18:06,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:06" (1/1) ... [2024-11-13 20:18:06,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:06" (1/1) ... [2024-11-13 20:18:06,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:06" (1/1) ... [2024-11-13 20:18:06,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:06" (1/1) ... [2024-11-13 20:18:06,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:06" (1/1) ... [2024-11-13 20:18:06,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:06" (1/1) ... [2024-11-13 20:18:06,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:06" (1/1) ... [2024-11-13 20:18:06,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:18:06,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:18:06,402 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:18:06,402 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:18:06,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:06" (1/1) ... [2024-11-13 20:18:06,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:06,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:18:06,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:18:06,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:18:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 20:18:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 20:18:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:18:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 20:18:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 20:18:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:18:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 20:18:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:18:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:18:06,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:18:06,679 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:18:06,682 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:18:07,454 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2024-11-13 20:18:07,455 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:18:07,558 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:18:07,559 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 20:18:07,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:07 BoogieIcfgContainer [2024-11-13 20:18:07,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:18:07,561 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:18:07,561 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:18:07,573 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:18:07,573 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:07" (1/1) ... [2024-11-13 20:18:07,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:18:07,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:07,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 80 states and 94 transitions. [2024-11-13 20:18:07,658 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2024-11-13 20:18:07,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:18:07,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:07,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:07,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:07,667 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:07,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:18:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:07,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:07,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:18:07,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:07,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 20:18:08,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:08,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:18:08,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:08,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2024-11-13 20:18:08,160 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2024-11-13 20:18:08,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:18:08,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:08,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:08,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:08,163 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:08,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:18:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:08,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:08,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:18:08,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:08,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 20:18:08,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:08,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:18:08,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:08,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2024-11-13 20:18:08,802 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2024-11-13 20:18:08,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:18:08,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:08,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:08,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:08,808 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:08,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:18:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:08,896 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:08,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:18:08,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:08,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 20:18:08,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:08,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 86 states and 102 transitions. [2024-11-13 20:18:08,951 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2024-11-13 20:18:08,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:18:08,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:08,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:08,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:08,955 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:08,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:18:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:09,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:09,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:18:09,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:09,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 20:18:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:09,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:09,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:09,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 89 states and 107 transitions. [2024-11-13 20:18:09,173 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 107 transitions. [2024-11-13 20:18:09,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:18:09,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:09,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:09,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:09,179 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:09,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 20:18:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:09,286 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:09,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:18:09,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:09,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 20:18:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:09,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 20:18:09,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:09,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 92 states and 112 transitions. [2024-11-13 20:18:09,490 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 112 transitions. [2024-11-13 20:18:09,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:18:09,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:09,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:09,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:09,495 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:09,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 20:18:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:09,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:09,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:18:09,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:09,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 20:18:09,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:09,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 20:18:09,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:09,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 93 states and 113 transitions. [2024-11-13 20:18:09,737 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 113 transitions. [2024-11-13 20:18:09,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:18:09,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:09,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:09,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:09,740 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:09,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 20:18:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:09,867 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:09,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:18:09,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:09,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 20:18:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:09,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:10,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:10,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2024-11-13 20:18:10,048 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2024-11-13 20:18:10,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:18:10,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:10,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:10,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:10,055 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:10,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 20:18:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:10,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:10,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:18:10,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:10,266 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-13 20:18:10,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 20:18:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:10,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:10,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:10,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 93 states and 113 transitions. [2024-11-13 20:18:10,343 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 113 transitions. [2024-11-13 20:18:10,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:18:10,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:10,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:10,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:10,348 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:10,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 20:18:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:10,490 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:10,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:10,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:10,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 20:18:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:18:10,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-13 20:18:10,627 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 20:18:10,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 20:18:10,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:10,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:10,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:10,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 95 states and 116 transitions. [2024-11-13 20:18:10,724 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2024-11-13 20:18:10,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:18:10,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:10,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:10,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:10,728 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:10,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 20:18:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:10,844 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:10,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:18:10,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:10,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:10,878 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:18:10,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 20:18:10,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:10,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 94 states and 115 transitions. [2024-11-13 20:18:10,925 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2024-11-13 20:18:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:18:10,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:10,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:10,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:10,929 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:10,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 20:18:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:11,057 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:11,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:18:11,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:11,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 20:18:11,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:11,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:11,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:11,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 95 states and 116 transitions. [2024-11-13 20:18:11,223 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2024-11-13 20:18:11,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:18:11,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:11,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:11,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:11,230 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:11,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 20:18:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:11,347 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:11,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:18:11,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:11,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:11,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:11,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:11,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 94 states and 115 transitions. [2024-11-13 20:18:11,438 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2024-11-13 20:18:11,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:18:11,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:11,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:11,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:11,445 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:11,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 20:18:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:11,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:11,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:18:11,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:11,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:11,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 20:18:12,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:12,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 93 states and 114 transitions. [2024-11-13 20:18:12,140 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2024-11-13 20:18:12,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:18:12,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:12,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:12,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:12,145 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:12,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 20:18:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:12,286 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:12,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:18:12,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:12,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:12,396 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:18:12,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:12,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 100 states and 127 transitions. [2024-11-13 20:18:12,939 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 127 transitions. [2024-11-13 20:18:12,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:18:12,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:12,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:12,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:12,944 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:12,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 20:18:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:13,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:13,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:18:13,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:13,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 20:18:13,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:13,193 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:18:13,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 20:18:13,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:13,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 107 states and 141 transitions. [2024-11-13 20:18:13,855 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 141 transitions. [2024-11-13 20:18:13,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:18:13,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:13,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:13,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:13,862 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:13,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 20:18:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:14,026 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:14,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:18:14,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:14,122 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-13 20:18:14,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 20:18:14,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:14,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 20:18:14,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:14,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 106 states and 140 transitions. [2024-11-13 20:18:14,190 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 140 transitions. [2024-11-13 20:18:14,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:18:14,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:14,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:14,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:14,195 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:14,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 20:18:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:14,362 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:14,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:14,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:14,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 20:18:14,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:18:14,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-13 20:18:14,504 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 20:18:14,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 20:18:14,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:14,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:14,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:14,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 108 states and 143 transitions. [2024-11-13 20:18:14,582 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 143 transitions. [2024-11-13 20:18:14,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:18:14,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:14,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:14,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:14,588 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:14,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 20:18:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:14,746 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:14,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:18:14,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:14,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:14,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 20:18:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:14,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 107 states and 142 transitions. [2024-11-13 20:18:14,859 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 142 transitions. [2024-11-13 20:18:14,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:18:14,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:14,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:14,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:14,862 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:14,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 20:18:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:15,010 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:15,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:18:15,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:15,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:15,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 20:18:15,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:15,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 106 states and 141 transitions. [2024-11-13 20:18:15,114 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 141 transitions. [2024-11-13 20:18:15,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:18:15,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:15,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:15,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:15,120 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:15,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 20:18:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:15,263 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:15,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:18:15,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:15,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:15,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:15,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:15,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 107 states and 142 transitions. [2024-11-13 20:18:15,592 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 142 transitions. [2024-11-13 20:18:15,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:18:15,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:15,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:15,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:15,596 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:15,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 20:18:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:15,723 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:15,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:18:15,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:15,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:15,759 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:18:15,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:16,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:16,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 108 states and 143 transitions. [2024-11-13 20:18:16,109 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 143 transitions. [2024-11-13 20:18:16,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:18:16,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:16,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:16,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:16,113 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:16,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 20:18:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:16,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:16,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:18:16,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:16,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:16,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 20:18:16,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:16,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 107 states and 142 transitions. [2024-11-13 20:18:16,296 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 142 transitions. [2024-11-13 20:18:16,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:18:16,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:16,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:16,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:16,300 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:16,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 20:18:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:16,478 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:16,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:18:16,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:16,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 20:18:16,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:16,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 20:18:16,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:16,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 109 states and 147 transitions. [2024-11-13 20:18:16,842 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 147 transitions. [2024-11-13 20:18:16,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:18:16,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:16,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:16,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:16,846 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:16,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 20:18:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:17,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:17,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:18:17,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:17,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 20:18:17,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-13 20:18:17,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-13 20:18:17,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:17,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 20:18:18,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:18,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 110 states and 148 transitions. [2024-11-13 20:18:18,239 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 148 transitions. [2024-11-13 20:18:18,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:18:18,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:18,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:18,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:18,243 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:18,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 20:18:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:18,403 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:18,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 20:18:18,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:18,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 20:18:18,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-13 20:18:18,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-13 20:18:18,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-13 20:18:18,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:18,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 20:18:20,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:20,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 98 states and 131 transitions. [2024-11-13 20:18:20,269 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 131 transitions. [2024-11-13 20:18:20,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:18:20,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:20,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:20,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:20,272 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:20,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 20:18:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:20,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:20,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 20:18:20,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:20,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 20:18:20,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-13 20:18:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:20,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 20:18:22,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:22,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 101 states and 138 transitions. [2024-11-13 20:18:22,676 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 138 transitions. [2024-11-13 20:18:22,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:18:22,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:22,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:22,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:22,679 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:22,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 20:18:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:22,820 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:22,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:18:22,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:22,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 20:18:22,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:22,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 100 states and 137 transitions. [2024-11-13 20:18:22,893 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 137 transitions. [2024-11-13 20:18:22,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:18:22,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:22,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:22,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:22,898 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:22,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 20:18:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:23,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:23,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:18:23,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:23,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:23,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 20:18:23,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:23,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 99 states and 136 transitions. [2024-11-13 20:18:23,664 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 136 transitions. [2024-11-13 20:18:23,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:18:23,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:23,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:23,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:23,668 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:23,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 20:18:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:23,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:23,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:18:23,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:23,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:23,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 20:18:23,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 98 states and 135 transitions. [2024-11-13 20:18:23,895 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2024-11-13 20:18:23,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:18:23,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:23,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:23,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:23,897 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:23,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 20:18:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:24,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:24,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:18:24,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:24,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 20:18:24,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:24,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 20:18:24,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:24,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 101 states and 143 transitions. [2024-11-13 20:18:24,299 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2024-11-13 20:18:24,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:18:24,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:24,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:24,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:24,302 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:24,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 20:18:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:24,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:24,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:18:24,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:24,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 20:18:24,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-13 20:18:24,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-13 20:18:24,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:24,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 20:18:24,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:24,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 102 states and 144 transitions. [2024-11-13 20:18:24,635 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2024-11-13 20:18:24,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:18:24,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:24,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:24,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:24,639 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:24,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 20:18:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:24,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:24,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 20:18:24,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:24,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 20:18:24,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-13 20:18:24,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-13 20:18:24,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-13 20:18:24,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:24,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 20:18:25,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:25,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2024-11-13 20:18:25,025 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2024-11-13 20:18:25,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:18:25,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:25,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:25,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:25,027 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:25,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 20:18:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:25,224 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:25,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 20:18:25,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:25,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 20:18:25,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-13 20:18:25,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:25,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:26,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:26,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 86 states and 123 transitions. [2024-11-13 20:18:26,495 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 123 transitions. [2024-11-13 20:18:26,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:18:26,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:26,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:26,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:26,501 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:26,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 20:18:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:26,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:26,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:18:26,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:26,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 20:18:28,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:28,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 93 states and 133 transitions. [2024-11-13 20:18:28,543 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 133 transitions. [2024-11-13 20:18:28,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:18:28,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:28,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:28,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:28,546 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:28,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 20:18:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:28,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:28,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:18:28,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:29,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:29,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:33,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:33,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 99 states and 144 transitions. [2024-11-13 20:18:33,050 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 144 transitions. [2024-11-13 20:18:33,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:18:33,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:33,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:33,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:33,053 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:33,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 20:18:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:33,281 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:33,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:18:33,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:33,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:33,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 20:18:34,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:34,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 102 states and 148 transitions. [2024-11-13 20:18:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 148 transitions. [2024-11-13 20:18:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:18:34,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:34,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:34,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:34,216 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:34,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 20:18:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:34,486 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:34,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:18:34,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:34,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:34,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:34,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:34,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 108 states and 156 transitions. [2024-11-13 20:18:34,725 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 156 transitions. [2024-11-13 20:18:34,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:18:34,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:34,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:34,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:34,730 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:34,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 20:18:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:34,972 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:35,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:18:35,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:35,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 20:18:35,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:35,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 112 states and 162 transitions. [2024-11-13 20:18:35,361 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 162 transitions. [2024-11-13 20:18:35,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:18:35,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:35,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:35,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:35,364 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:35,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 20:18:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:35,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:35,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:18:35,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:35,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:35,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 20:18:35,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:35,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 114 states and 164 transitions. [2024-11-13 20:18:35,851 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2024-11-13 20:18:35,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:18:35,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:35,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:35,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:35,854 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:35,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 20:18:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:36,111 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:18:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:36,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:18:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:36,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 20:18:36,322 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 40 iterations. [2024-11-13 20:18:36,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:18:36 ImpRootNode [2024-11-13 20:18:36,365 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:18:36,366 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:18:36,366 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:18:36,366 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:18:36,367 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:07" (3/4) ... [2024-11-13 20:18:36,370 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:18:36,370 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:18:36,372 INFO L158 Benchmark]: Toolchain (without parser) took 30801.83ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 59.1MB in the beginning and 31.1MB in the end (delta: 28.0MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2024-11-13 20:18:36,372 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:36,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 681.10ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 40.7MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:18:36,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.66ms. Allocated memory is still 83.9MB. Free memory was 40.7MB in the beginning and 38.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:36,373 INFO L158 Benchmark]: Boogie Preprocessor took 67.29ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 36.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:18:36,373 INFO L158 Benchmark]: RCFGBuilder took 1158.35ms. Allocated memory is still 83.9MB. Free memory was 36.9MB in the beginning and 41.8MB in the end (delta: -4.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-13 20:18:36,373 INFO L158 Benchmark]: CodeCheck took 28804.80ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 41.8MB in the beginning and 32.4MB in the end (delta: 9.3MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2024-11-13 20:18:36,374 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 125.8MB. Free memory was 32.4MB in the beginning and 31.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:36,379 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 80 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 28.7s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3493 SdHoareTripleChecker+Valid, 37.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2676 mSDsluCounter, 3445 SdHoareTripleChecker+Invalid, 32.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2362 mSDsCounter, 2634 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8183 IncrementalHoareTripleChecker+Invalid, 10817 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2634 mSolverCounterUnsat, 1083 mSDtfsCounter, 8183 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3614 GetRequests, 3370 SyntacticMatches, 102 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7971 ImplicationChecksByTransitivity, 15.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 422 NumberOfCodeBlocks, 422 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 2109 SizeOfPredicates, 66 NumberOfNonLiveVariables, 2588 ConjunctsInSsa, 203 ConjunctsInUnsatCore, 39 InterpolantComputations, 33 PerfectInterpolantSequences, 12/24 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 12]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 12. Possible FailurePath: [L533] int i = 0; [L534] int y = 0; [L535] List a = (List) malloc(sizeof(struct node)); [L536] COND FALSE !(a == 0) [L537] List t; [L538] List p = a; VAL [a={3:0}, i=0, p={3:0}, y=0] [L539] i < 10 && __VERIFIER_nondet_int() [L539] i < 10 && __VERIFIER_nondet_int() VAL [a={3:0}, i=0, p={3:0}, y=0] [L539] COND FALSE !(i < 10 && __VERIFIER_nondet_int()) [L547] y < 10 && __VERIFIER_nondet_int() [L547] y < 10 && __VERIFIER_nondet_int() VAL [a={3:0}, i=0, p={3:0}, y=0] [L547] COND FALSE !(y < 10 && __VERIFIER_nondet_int()) [L555] p->h = 3 [L556] p->n = (void*)__VERIFIER_nondet_ulong() [L557] i = 0 [L558] y = 0 [L559] p = a VAL [a={3:0}, i=0, p={3:0}, y=0] [L560] EXPR p->h VAL [a={3:0}, i=0, p={3:0}, y=0] [L560] COND FALSE !(p->h == 1) [L564] EXPR p->h VAL [a={3:0}, i=0, p={3:0}, y=0] [L564] COND FALSE !(p->h == 2) [L568] EXPR p->h VAL [a={3:0}, i=0, y=0] [L568] COND TRUE p->h != 3 || (i + y) < 20 [L569] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "list-ext_2.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 681.10ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 40.7MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.66ms. Allocated memory is still 83.9MB. Free memory was 40.7MB in the beginning and 38.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.29ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 36.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1158.35ms. Allocated memory is still 83.9MB. Free memory was 36.9MB in the beginning and 41.8MB in the end (delta: -4.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * CodeCheck took 28804.80ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 41.8MB in the beginning and 32.4MB in the end (delta: 9.3MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 125.8MB. Free memory was 32.4MB in the beginning and 31.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:18:36,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32d3a39-8db0-4d77-adc7-9f4e2dec0285/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample