./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.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_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/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_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/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_3a4afa76-e592-4609-b3b6-1f58ff42b624/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 95643fe6222ef6bf06c5549a97aa2ed3c03be56764b1592b76d2122ae82e7069 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:41:49,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:41:49,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 21:41:49,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:41:49,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:41:49,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:41:49,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:41:49,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:41:49,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:41:49,360 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:41:49,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:41:49,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:41:49,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:41:49,362 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 21:41:49,362 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 21:41:49,362 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 21:41:49,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:41:49,362 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:41:49,362 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:41:49,362 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:41:49,362 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:41:49,363 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:41:49,363 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:41:49,364 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:41:49,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:41:49,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:41:49,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:41:49,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:41:49,364 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:41:49,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:41:49,364 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_3a4afa76-e592-4609-b3b6-1f58ff42b624/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 -> 95643fe6222ef6bf06c5549a97aa2ed3c03be56764b1592b76d2122ae82e7069 [2024-11-13 21:41:49,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:41:49,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:41:49,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:41:49,737 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:41:49,737 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:41:49,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i Unable to find full path for "g++" [2024-11-13 21:41:51,862 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:41:52,239 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:41:52,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i [2024-11-13 21:41:52,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/data/592bc65cd/597bf8d3505f407fb5ba70bfb581d937/FLAG69fd2b0c2 [2024-11-13 21:41:52,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/data/592bc65cd/597bf8d3505f407fb5ba70bfb581d937 [2024-11-13 21:41:52,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:41:52,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:41:52,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:41:52,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:41:52,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:41:52,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:41:52" (1/1) ... [2024-11-13 21:41:52,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eee921b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:52, skipping insertion in model container [2024-11-13 21:41:52,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:41:52" (1/1) ... [2024-11-13 21:41:52,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:41:52,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:41:52,673 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:41:52,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:41:52,745 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:41:52,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:52 WrapperNode [2024-11-13 21:41:52,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:41:52,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:41:52,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:41:52,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:41:52,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:52" (1/1) ... [2024-11-13 21:41:52,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:52" (1/1) ... [2024-11-13 21:41:52,787 INFO L138 Inliner]: procedures = 119, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 122 [2024-11-13 21:41:52,788 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:41:52,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:41:52,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:41:52,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:41:52,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:52" (1/1) ... [2024-11-13 21:41:52,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:52" (1/1) ... [2024-11-13 21:41:52,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:52" (1/1) ... [2024-11-13 21:41:52,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:52" (1/1) ... [2024-11-13 21:41:52,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:52" (1/1) ... [2024-11-13 21:41:52,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:52" (1/1) ... [2024-11-13 21:41:52,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:52" (1/1) ... [2024-11-13 21:41:52,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:52" (1/1) ... [2024-11-13 21:41:52,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:41:52,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:41:52,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:41:52,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:41:52,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:52" (1/1) ... [2024-11-13 21:41:52,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:41:52,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:41:52,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:41:52,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:41:52,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:41:52,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:41:52,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:41:52,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:41:52,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 21:41:52,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 21:41:52,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:41:52,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:41:52,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:41:52,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:41:53,037 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:41:53,039 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:41:53,590 INFO L? ?]: Removed 101 outVars from TransFormulas that were not future-live. [2024-11-13 21:41:53,590 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:41:53,648 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:41:53,648 INFO L316 CfgBuilder]: Removed 9 assume(true) statements. [2024-11-13 21:41:53,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:53 BoogieIcfgContainer [2024-11-13 21:41:53,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:41:53,649 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:41:53,649 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:41:53,661 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:41:53,661 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:53" (1/1) ... [2024-11-13 21:41:53,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:41:53,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:53,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 111 states and 129 transitions. [2024-11-13 21:41:53,727 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 129 transitions. [2024-11-13 21:41:53,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 21:41:53,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:53,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:53,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:53,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 110 states and 128 transitions. [2024-11-13 21:41:53,987 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions. [2024-11-13 21:41:53,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 21:41:53,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:53,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:54,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:54,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:54,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 109 states and 127 transitions. [2024-11-13 21:41:54,245 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2024-11-13 21:41:54,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:41:54,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:54,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:54,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:54,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 108 states and 126 transitions. [2024-11-13 21:41:54,310 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2024-11-13 21:41:54,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:41:54,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:54,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:54,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:54,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:54,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 107 states and 125 transitions. [2024-11-13 21:41:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2024-11-13 21:41:54,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:41:54,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:54,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:54,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:54,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:54,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 106 states and 123 transitions. [2024-11-13 21:41:54,685 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2024-11-13 21:41:54,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:41:54,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:54,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:54,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:55,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:55,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 109 states and 129 transitions. [2024-11-13 21:41:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 129 transitions. [2024-11-13 21:41:55,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:41:55,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:55,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:55,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:55,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:55,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 108 states and 128 transitions. [2024-11-13 21:41:55,200 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 128 transitions. [2024-11-13 21:41:55,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:41:55,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:55,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:55,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:55,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:55,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 109 states and 130 transitions. [2024-11-13 21:41:55,525 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2024-11-13 21:41:55,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:41:55,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:55,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:55,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:55,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:55,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 109 states and 126 transitions. [2024-11-13 21:41:55,568 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2024-11-13 21:41:55,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:41:55,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:55,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:56,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:56,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 111 states and 130 transitions. [2024-11-13 21:41:56,104 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2024-11-13 21:41:56,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:41:56,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:56,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:56,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:56,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:56,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 113 states and 134 transitions. [2024-11-13 21:41:56,929 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2024-11-13 21:41:56,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:41:56,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:56,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:57,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:57,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:57,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 116 states and 139 transitions. [2024-11-13 21:41:57,553 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 139 transitions. [2024-11-13 21:41:57,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:41:57,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:57,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:57,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:58,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:58,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 122 states and 150 transitions. [2024-11-13 21:41:58,148 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2024-11-13 21:41:58,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:41:58,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:58,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:58,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:58,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:58,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 128 states and 160 transitions. [2024-11-13 21:41:58,875 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 160 transitions. [2024-11-13 21:41:58,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:41:58,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:58,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:58,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:58,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:58,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 127 states and 159 transitions. [2024-11-13 21:41:58,932 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 159 transitions. [2024-11-13 21:41:58,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:41:58,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:58,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:59,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 129 states and 161 transitions. [2024-11-13 21:41:59,165 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 161 transitions. [2024-11-13 21:41:59,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:41:59,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:59,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:59,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:59,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:59,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 128 states and 160 transitions. [2024-11-13 21:41:59,209 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 160 transitions. [2024-11-13 21:41:59,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:41:59,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:59,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:59,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:59,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 129 states and 161 transitions. [2024-11-13 21:41:59,379 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 161 transitions. [2024-11-13 21:41:59,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:41:59,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:59,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:59,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:59,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:59,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 128 states and 160 transitions. [2024-11-13 21:41:59,553 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 160 transitions. [2024-11-13 21:41:59,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:41:59,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:59,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:00,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:00,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 129 states and 162 transitions. [2024-11-13 21:42:00,539 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 162 transitions. [2024-11-13 21:42:00,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:42:00,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:00,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:00,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:02,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 135 states and 170 transitions. [2024-11-13 21:42:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2024-11-13 21:42:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:42:02,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:02,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:02,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:02,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:02,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 134 states and 169 transitions. [2024-11-13 21:42:02,172 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 169 transitions. [2024-11-13 21:42:02,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:42:02,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:02,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:02,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:02,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:02,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 133 states and 168 transitions. [2024-11-13 21:42:02,784 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 168 transitions. [2024-11-13 21:42:02,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:42:02,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:02,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:03,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:03,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 135 states and 172 transitions. [2024-11-13 21:42:03,030 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 172 transitions. [2024-11-13 21:42:03,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:42:03,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:03,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:03,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:03,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:03,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 139 states and 179 transitions. [2024-11-13 21:42:03,442 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 179 transitions. [2024-11-13 21:42:03,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:42:03,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:03,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:04,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:04,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 141 states and 182 transitions. [2024-11-13 21:42:04,584 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 182 transitions. [2024-11-13 21:42:04,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:42:04,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:04,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:04,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:05,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:05,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 143 states and 185 transitions. [2024-11-13 21:42:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 185 transitions. [2024-11-13 21:42:05,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:42:05,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:05,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:06,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:06,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 146 states and 189 transitions. [2024-11-13 21:42:06,646 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 189 transitions. [2024-11-13 21:42:06,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:42:06,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:06,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:06,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:06,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:06,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 145 states and 188 transitions. [2024-11-13 21:42:06,701 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 188 transitions. [2024-11-13 21:42:06,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:42:06,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:06,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:06,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:06,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:06,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 119 states and 147 transitions. [2024-11-13 21:42:06,876 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 147 transitions. [2024-11-13 21:42:06,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:42:06,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:06,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:06,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:06,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:06,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 120 states and 147 transitions. [2024-11-13 21:42:06,914 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 147 transitions. [2024-11-13 21:42:06,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:42:06,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:06,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:06,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:06,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 122 states and 151 transitions. [2024-11-13 21:42:06,976 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 151 transitions. [2024-11-13 21:42:06,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:42:06,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:06,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:07,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:08,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:08,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 125 states and 155 transitions. [2024-11-13 21:42:08,644 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 155 transitions. [2024-11-13 21:42:08,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:42:08,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:08,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:08,963 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 21:42:11,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:11,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 132 states and 170 transitions. [2024-11-13 21:42:11,344 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2024-11-13 21:42:11,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:42:11,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:11,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:11,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:42:12,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:12,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 137 states and 176 transitions. [2024-11-13 21:42:12,588 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 176 transitions. [2024-11-13 21:42:12,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:42:12,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:12,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:13,052 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 21:42:14,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:14,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 142 states and 182 transitions. [2024-11-13 21:42:14,322 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 182 transitions. [2024-11-13 21:42:14,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:42:14,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:14,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:14,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:42:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:14,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:42:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:14,417 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 37 iterations. [2024-11-13 21:42:14,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:42:14 ImpRootNode [2024-11-13 21:42:14,443 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:42:14,444 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:42:14,444 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:42:14,444 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:42:14,445 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:53" (3/4) ... [2024-11-13 21:42:14,447 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:42:14,448 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:42:14,451 INFO L158 Benchmark]: Toolchain (without parser) took 22168.96ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 92.0MB in the beginning and 122.4MB in the end (delta: -30.4MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2024-11-13 21:42:14,451 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:14,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.95ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 74.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:42:14,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.38ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 72.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:14,452 INFO L158 Benchmark]: Boogie Preprocessor took 30.62ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.5MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:42:14,452 INFO L158 Benchmark]: RCFGBuilder took 828.99ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 44.4MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:42:14,453 INFO L158 Benchmark]: CodeCheck took 20794.01ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 44.2MB in the beginning and 122.4MB in the end (delta: -78.1MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-11-13 21:42:14,453 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 218.1MB. Free memory was 122.4MB in the beginning and 122.4MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:14,457 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, 111 locations, 55 error locations. Started 1 CEGAR loops. OverallTime: 20.7s, OverallIterations: 37, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3347 SdHoareTripleChecker+Valid, 14.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2150 mSDsluCounter, 2690 SdHoareTripleChecker+Invalid, 12.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1872 mSDsCounter, 2133 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7034 IncrementalHoareTripleChecker+Invalid, 9167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2133 mSolverCounterUnsat, 818 mSDtfsCounter, 7034 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3008 GetRequests, 2747 SyntacticMatches, 37 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20684 ImplicationChecksByTransitivity, 15.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 390 NumberOfCodeBlocks, 390 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 1453 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 34 PerfectInterpolantSequences, 2/6 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: 993]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 993. Possible FailurePath: [L1006] SLL* list = malloc(sizeof(SLL)); [L1007] list->next = ((void*)0) VAL [list={-1:0}] [L1008] list->colour = BLACK [L1010] SLL* end = list; VAL [end={-1:0}, list={-1:0}] [L1013] COND FALSE !(__VERIFIER_nondet_int()) [L1034] end = ((void*)0) [L1035] end = list VAL [end={-1:0}, list={-1:0}] [L1038] COND FALSE !(!(((void*)0) != end)) VAL [end={-1:0}, list={-1:0}] [L1039] EXPR end->colour VAL [end={-1:0}, list={-1:0}] [L1039] COND FALSE !(!(BLACK == end->colour)) [L1041] COND TRUE ((void*)0) != end VAL [end={-1:0}, list={-1:0}] [L1043] EXPR end->colour VAL [end={-1:0}, list={-1:0}] [L1043] COND FALSE !(RED == end->colour) [L1049] EXPR end->next VAL [end={-1:0}, list={-1:0}] [L1049] COND TRUE !(end->next) [L1049] CALL reach_error() [L993] COND FALSE !(0) [L993] __assert_fail ("0", "sll-rb-cnstr_1-2.c", 13, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.95ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 74.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.38ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 72.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.62ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.5MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 828.99ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 44.4MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 20794.01ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 44.2MB in the beginning and 122.4MB in the end (delta: -78.1MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 218.1MB. Free memory was 122.4MB in the beginning and 122.4MB in the end (delta: 42.2kB). 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 21:42:14,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/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_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/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_3a4afa76-e592-4609-b3b6-1f58ff42b624/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 95643fe6222ef6bf06c5549a97aa2ed3c03be56764b1592b76d2122ae82e7069 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:42:17,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:42:17,400 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-13 21:42:17,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:42:17,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:42:17,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:42:17,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:42:17,457 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:42:17,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:42:17,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:42:17,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:42:17,458 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 21:42:17,458 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 21:42:17,458 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 21:42:17,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:42:17,461 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:42:17,461 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:42:17,461 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:42:17,461 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:42:17,461 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:42:17,461 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:42:17,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:42:17,462 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:42:17,462 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:42:17,462 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:42:17,462 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:17,462 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:42:17,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:42:17,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:42:17,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:42:17,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:42:17,463 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:42:17,463 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:17,463 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:42:17,463 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_3a4afa76-e592-4609-b3b6-1f58ff42b624/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 -> 95643fe6222ef6bf06c5549a97aa2ed3c03be56764b1592b76d2122ae82e7069 [2024-11-13 21:42:17,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:42:17,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:42:17,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:42:17,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:42:17,794 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:42:17,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i Unable to find full path for "g++" [2024-11-13 21:42:20,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:42:20,338 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:42:20,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i [2024-11-13 21:42:20,357 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/data/0b82c31e7/9f8b937c12774b258f63c3cdb99c1018/FLAG983723371 [2024-11-13 21:42:20,382 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/data/0b82c31e7/9f8b937c12774b258f63c3cdb99c1018 [2024-11-13 21:42:20,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:42:20,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:42:20,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:42:20,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:42:20,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:42:20,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:42:20" (1/1) ... [2024-11-13 21:42:20,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b51680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:20, skipping insertion in model container [2024-11-13 21:42:20,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:42:20" (1/1) ... [2024-11-13 21:42:20,447 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:42:20,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:42:20,844 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:42:20,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:42:20,916 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:42:20,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:20 WrapperNode [2024-11-13 21:42:20,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:42:20,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:42:20,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:42:20,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:42:20,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:20" (1/1) ... [2024-11-13 21:42:20,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:20" (1/1) ... [2024-11-13 21:42:20,958 INFO L138 Inliner]: procedures = 122, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 121 [2024-11-13 21:42:20,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:42:20,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:42:20,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:42:20,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:42:20,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:20" (1/1) ... [2024-11-13 21:42:20,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:20" (1/1) ... [2024-11-13 21:42:20,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:20" (1/1) ... [2024-11-13 21:42:20,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:20" (1/1) ... [2024-11-13 21:42:20,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:20" (1/1) ... [2024-11-13 21:42:20,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:20" (1/1) ... [2024-11-13 21:42:21,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:20" (1/1) ... [2024-11-13 21:42:21,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:20" (1/1) ... [2024-11-13 21:42:21,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:42:21,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:42:21,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:42:21,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:42:21,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:20" (1/1) ... [2024-11-13 21:42:21,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:42:21,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:42:21,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:42:21,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:42:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:42:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:42:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:42:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 21:42:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 21:42:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:42:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:42:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:42:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:42:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:42:21,205 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:42:21,207 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:42:21,788 INFO L? ?]: Removed 101 outVars from TransFormulas that were not future-live. [2024-11-13 21:42:21,788 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:42:21,865 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:42:21,865 INFO L316 CfgBuilder]: Removed 9 assume(true) statements. [2024-11-13 21:42:21,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:42:21 BoogieIcfgContainer [2024-11-13 21:42:21,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:42:21,866 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:42:21,867 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:42:21,877 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:42:21,877 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:42:21" (1/1) ... [2024-11-13 21:42:21,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:42:21,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:21,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 111 states and 129 transitions. [2024-11-13 21:42:21,933 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 129 transitions. [2024-11-13 21:42:21,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 21:42:21,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:21,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:21,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:21,940 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:21,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:42:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:22,041 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:22,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:42:22,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:22,116 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 21:42:22,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:22,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:42:22,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:22,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 110 states and 128 transitions. [2024-11-13 21:42:22,189 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions. [2024-11-13 21:42:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 21:42:22,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:22,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:22,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:22,191 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:22,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:42:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:22,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:22,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:42:22,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:22,328 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 21:42:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:22,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:42:22,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:22,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 109 states and 127 transitions. [2024-11-13 21:42:22,490 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2024-11-13 21:42:22,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:42:22,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:22,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:22,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:22,492 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:22,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:42:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:22,581 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:22,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:42:22,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:22,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:22,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:42:22,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:22,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 108 states and 126 transitions. [2024-11-13 21:42:22,660 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2024-11-13 21:42:22,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:42:22,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:22,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:22,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:22,666 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:22,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:42:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:22,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:22,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:42:22,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:22,805 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 21:42:22,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:22,822 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:42:22,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:42:22,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:22,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 107 states and 125 transitions. [2024-11-13 21:42:22,866 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2024-11-13 21:42:22,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:42:22,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:22,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:22,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:22,870 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:22,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:42:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:23,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:23,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:42:23,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:23,138 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-13 21:42:23,140 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 21:42:23,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:23,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:42:23,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:23,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 106 states and 123 transitions. [2024-11-13 21:42:23,240 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2024-11-13 21:42:23,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:42:23,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:23,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:23,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:23,246 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:23,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:42:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:23,381 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:23,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:42:23,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:23,432 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 21:42:23,445 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 21:42:23,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:42:23,574 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 21:42:23,588 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 21:42:23,589 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 21:42:23,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:23,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 21:42:23,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:23,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 109 states and 129 transitions. [2024-11-13 21:42:23,884 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 129 transitions. [2024-11-13 21:42:23,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:42:23,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:23,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:23,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:23,889 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:23,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:42:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:24,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:24,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:42:24,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:24,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:24,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:42:24,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:24,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 108 states and 128 transitions. [2024-11-13 21:42:24,110 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 128 transitions. [2024-11-13 21:42:24,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:42:24,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:24,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:24,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:24,115 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:24,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:42:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:24,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:24,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:42:24,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:24,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:24,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:42:24,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:24,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 107 states and 127 transitions. [2024-11-13 21:42:24,761 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 127 transitions. [2024-11-13 21:42:24,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:42:24,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:24,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:24,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:24,767 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:24,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:42:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:24,878 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:24,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:42:24,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:24,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:24,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 21:42:24,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:24,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 107 states and 123 transitions. [2024-11-13 21:42:24,920 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 123 transitions. [2024-11-13 21:42:24,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:42:24,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:24,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:24,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:24,925 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:24,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:42:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:25,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:25,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:42:25,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:25,127 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 21:42:25,180 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 15 treesize of output 1 [2024-11-13 21:42:25,238 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 19 treesize of output 11 [2024-11-13 21:42:25,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:25,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 21:42:26,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:26,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 109 states and 126 transitions. [2024-11-13 21:42:26,015 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2024-11-13 21:42:26,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:42:26,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:26,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:26,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:26,020 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:26,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:42:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:26,172 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:26,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:42:26,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:26,218 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 21:42:26,304 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 21:42:26,314 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 15 treesize of output 1 [2024-11-13 21:42:26,430 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 17 treesize of output 9 [2024-11-13 21:42:26,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:26,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 21:42:27,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:27,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 111 states and 129 transitions. [2024-11-13 21:42:27,499 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 129 transitions. [2024-11-13 21:42:27,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:42:27,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:27,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:27,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:27,502 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:27,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:42:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:27,621 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:27,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:42:27,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:27,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:27,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 21:42:28,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:28,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 114 states and 134 transitions. [2024-11-13 21:42:28,622 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 134 transitions. [2024-11-13 21:42:28,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:42:28,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:28,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:28,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:28,624 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:28,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 21:42:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:28,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:28,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:42:28,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:28,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:28,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 21:42:29,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:29,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 120 states and 145 transitions. [2024-11-13 21:42:29,867 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 145 transitions. [2024-11-13 21:42:29,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:42:29,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:29,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:29,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:29,873 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:29,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 21:42:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:30,014 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:30,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:42:30,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:30,053 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 21:42:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:30,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 21:42:31,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:31,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 126 states and 155 transitions. [2024-11-13 21:42:31,079 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 155 transitions. [2024-11-13 21:42:31,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:42:31,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:31,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:31,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:31,082 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:31,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 21:42:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:31,213 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:31,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:42:31,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:31,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 21:42:31,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:31,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 125 states and 154 transitions. [2024-11-13 21:42:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 154 transitions. [2024-11-13 21:42:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:42:31,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:31,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:31,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:31,344 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:31,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 21:42:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:31,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:31,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:42:31,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:31,563 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 21:42:31,583 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 15 treesize of output 1 [2024-11-13 21:42:31,588 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 21:42:31,610 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 17 treesize of output 9 [2024-11-13 21:42:31,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:31,636 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:42:31,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-13 21:42:31,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:31,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 127 states and 156 transitions. [2024-11-13 21:42:31,714 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 156 transitions. [2024-11-13 21:42:31,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:42:31,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:31,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:31,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:31,717 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:31,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 21:42:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:31,894 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:31,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:42:31,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:31,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:31,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-13 21:42:31,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:31,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 126 states and 155 transitions. [2024-11-13 21:42:31,992 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 155 transitions. [2024-11-13 21:42:31,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:42:31,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:31,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:31,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:31,997 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:32,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 21:42:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:32,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:32,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:42:32,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:32,283 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 21:42:32,306 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 15 treesize of output 1 [2024-11-13 21:42:32,313 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 21:42:32,346 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 17 treesize of output 9 [2024-11-13 21:42:32,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:32,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 21:42:32,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:32,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 127 states and 156 transitions. [2024-11-13 21:42:32,423 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 156 transitions. [2024-11-13 21:42:32,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:42:32,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:32,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:32,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:32,430 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:32,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 21:42:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:32,739 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:32,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:42:32,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:32,800 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 21:42:32,814 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 15 treesize of output 1 [2024-11-13 21:42:32,828 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 19 treesize of output 11 [2024-11-13 21:42:32,886 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-13 21:42:32,887 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 21:42:32,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:32,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 21:42:32,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:32,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 126 states and 155 transitions. [2024-11-13 21:42:32,964 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 155 transitions. [2024-11-13 21:42:32,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:42:32,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:32,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:32,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:32,970 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:32,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 21:42:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:33,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:33,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:42:33,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:33,306 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 21:42:33,319 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 21:42:33,455 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 15 treesize of output 1 [2024-11-13 21:42:33,460 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 21:42:33,619 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 28 treesize of output 16 [2024-11-13 21:42:33,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:42:33,674 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 21:42:33,690 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 21:42:33,691 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 21:42:33,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:33,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 21:42:34,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 127 states and 156 transitions. [2024-11-13 21:42:34,036 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 156 transitions. [2024-11-13 21:42:34,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:42:34,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:34,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:34,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:34,040 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:34,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 21:42:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:34,212 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:34,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:42:34,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:34,380 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 21:42:34,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:34,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 21:42:37,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:37,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 133 states and 164 transitions. [2024-11-13 21:42:37,120 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 164 transitions. [2024-11-13 21:42:37,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:42:37,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:37,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:37,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:37,123 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:37,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 21:42:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:37,295 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:37,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:42:37,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:37,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:37,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 21:42:37,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:37,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 132 states and 163 transitions. [2024-11-13 21:42:37,374 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 163 transitions. [2024-11-13 21:42:37,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:42:37,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:37,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:37,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:37,377 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:37,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 21:42:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:37,540 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:37,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:42:37,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:37,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 21:42:37,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 131 states and 162 transitions. [2024-11-13 21:42:37,927 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 162 transitions. [2024-11-13 21:42:37,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:42:37,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:37,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:37,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:37,930 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:37,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 21:42:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:38,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:38,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:42:38,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:38,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:38,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-13 21:42:38,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:38,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 133 states and 166 transitions. [2024-11-13 21:42:38,502 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 166 transitions. [2024-11-13 21:42:38,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:42:38,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:38,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:38,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:38,507 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:38,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 21:42:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:38,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:38,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:42:38,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:38,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 21:42:41,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:41,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 135 states and 169 transitions. [2024-11-13 21:42:41,080 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 169 transitions. [2024-11-13 21:42:41,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:42:41,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:41,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:41,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:41,086 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:41,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 21:42:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:41,301 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:41,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:42:41,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:41,350 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 21:42:41,491 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 15 treesize of output 1 [2024-11-13 21:42:41,499 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 19 treesize of output 11 [2024-11-13 21:42:41,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:41,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 21:42:42,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:42,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 137 states and 172 transitions. [2024-11-13 21:42:42,261 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 172 transitions. [2024-11-13 21:42:42,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:42:42,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:42,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:42,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:42,266 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:42,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 21:42:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:42,495 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:42,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:42:42,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:42,566 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 21:42:42,795 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 21:42:42,804 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 15 treesize of output 1 [2024-11-13 21:42:42,819 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 17 treesize of output 9 [2024-11-13 21:42:42,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:42,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 21:42:43,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:43,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 139 states and 175 transitions. [2024-11-13 21:42:43,755 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 175 transitions. [2024-11-13 21:42:43,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:42:43,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:43,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:43,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:43,758 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:43,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 21:42:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:43,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:43,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:42:43,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:44,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:44,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 21:42:47,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:47,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 144 states and 188 transitions. [2024-11-13 21:42:47,381 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 188 transitions. [2024-11-13 21:42:47,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:42:47,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:47,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:47,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:47,391 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:47,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 21:42:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:47,607 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:47,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:42:47,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:47,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:47,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-13 21:42:51,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:51,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 148 states and 198 transitions. [2024-11-13 21:42:51,580 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2024-11-13 21:42:51,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:42:51,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:51,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:51,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:51,584 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:51,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 21:42:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:51,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:51,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:42:51,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:52,286 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 21:42:52,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 21:43:00,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:00,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 153 states and 210 transitions. [2024-11-13 21:43:00,824 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 210 transitions. [2024-11-13 21:43:00,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:43:00,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:00,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:00,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:00,827 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:00,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 21:43:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:01,032 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:01,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:43:01,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:01,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:43:01,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 21:43:01,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:01,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 152 states and 209 transitions. [2024-11-13 21:43:01,163 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 209 transitions. [2024-11-13 21:43:01,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:43:01,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:01,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:01,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:01,166 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:01,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 21:43:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:01,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:01,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:43:01,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:01,478 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 21:43:01,491 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 15 treesize of output 1 [2024-11-13 21:43:01,496 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 21:43:01,512 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 17 treesize of output 9 [2024-11-13 21:43:01,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:43:01,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 21:43:01,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:01,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 128 states and 174 transitions. [2024-11-13 21:43:01,587 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 174 transitions. [2024-11-13 21:43:01,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:43:01,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:01,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:01,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:01,592 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:01,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 21:43:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:01,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:01,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:43:01,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:01,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:43:01,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 21:43:01,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:01,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 129 states and 174 transitions. [2024-11-13 21:43:01,891 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 174 transitions. [2024-11-13 21:43:01,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:43:01,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:01,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:01,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:01,895 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:01,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 21:43:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:02,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:02,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:43:02,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:02,154 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 21:43:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:43:02,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 21:43:05,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:05,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 135 states and 187 transitions. [2024-11-13 21:43:05,247 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 187 transitions. [2024-11-13 21:43:05,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:43:05,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:05,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:05,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:05,250 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:05,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 21:43:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:05,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:05,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:43:05,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:05,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:43:05,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 21:43:05,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:05,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 134 states and 186 transitions. [2024-11-13 21:43:05,518 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 186 transitions. [2024-11-13 21:43:05,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:43:05,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:05,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:05,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:05,521 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:05,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 21:43:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:05,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:05,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:43:05,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:06,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:43:06,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 21:43:10,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:10,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 137 states and 194 transitions. [2024-11-13 21:43:10,199 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 194 transitions. [2024-11-13 21:43:10,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:43:10,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:10,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:10,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:10,201 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:10,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 21:43:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:10,416 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:10,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:43:10,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:10,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:43:10,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-13 21:43:10,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:10,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 136 states and 193 transitions. [2024-11-13 21:43:10,505 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 193 transitions. [2024-11-13 21:43:10,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:43:10,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:10,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:10,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:10,511 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:10,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 21:43:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:10,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:10,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:43:10,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:11,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:43:11,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 21:43:25,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:25,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 141 states and 207 transitions. [2024-11-13 21:43:25,387 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 207 transitions. [2024-11-13 21:43:25,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:43:25,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:25,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:25,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:25,390 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:25,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 21:43:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:25,658 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:25,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:43:25,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:25,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:43:25,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 21:43:25,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:25,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 140 states and 206 transitions. [2024-11-13 21:43:25,781 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 206 transitions. [2024-11-13 21:43:25,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:43:25,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:25,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:25,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:25,787 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:25,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 21:43:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:26,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:26,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:43:26,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:26,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:43:26,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 21:43:26,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:26,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 141 states and 206 transitions. [2024-11-13 21:43:26,405 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 206 transitions. [2024-11-13 21:43:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:43:26,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:26,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:26,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:26,408 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:26,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 21:43:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:26,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:26,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:43:26,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:26,818 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 21:43:27,204 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-13 21:43:27,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 12 treesize of output 14 [2024-11-13 21:43:27,774 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 21:43:27,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-13 21:43:32,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:32,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 148 states and 221 transitions. [2024-11-13 21:43:32,275 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 221 transitions. [2024-11-13 21:43:32,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:43:32,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:32,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:32,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:32,279 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:32,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 21:43:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:32,521 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:32,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:43:32,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:32,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:43:32,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-13 21:43:35,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:35,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 153 states and 227 transitions. [2024-11-13 21:43:35,573 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 227 transitions. [2024-11-13 21:43:35,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:43:35,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:35,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:35,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:35,576 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:35,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 21:43:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:35,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:35,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:43:35,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:36,220 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 21:43:36,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-13 21:43:38,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:38,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 157 states and 232 transitions. [2024-11-13 21:43:38,329 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 232 transitions. [2024-11-13 21:43:38,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:43:38,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:38,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:38,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:38,333 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:38,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 21:43:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:38,574 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:38,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:43:38,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:38,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:43:38,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 21:43:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:47,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 163 states and 246 transitions. [2024-11-13 21:43:47,099 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 246 transitions. [2024-11-13 21:43:47,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:43:47,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:47,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:47,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:47,101 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:47,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 21:43:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:47,346 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:47,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:43:47,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:47,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:43:47,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-13 21:43:47,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:47,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 165 states and 247 transitions. [2024-11-13 21:43:47,463 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 247 transitions. [2024-11-13 21:43:47,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:43:47,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:47,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:47,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:47,466 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:47,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 21:43:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:47,783 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:47,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:43:47,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:48,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:43:48,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-13 21:44:02,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 180 states and 274 transitions. [2024-11-13 21:44:02,387 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 274 transitions. [2024-11-13 21:44:02,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:44:02,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:02,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:44:02,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:44:02,390 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:44:02,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 21:44:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:02,656 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:44:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:02,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:44:02,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:44:02,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:44:02,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-13 21:44:02,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:02,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 183 states and 276 transitions. [2024-11-13 21:44:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 276 transitions. [2024-11-13 21:44:02,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:44:02,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:02,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:44:02,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:44:02,751 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:44:02,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 21:44:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:44:03,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:44:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:44:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:44:03,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:44:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:44:03,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-13 21:44:03,236 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 48 iterations. [2024-11-13 21:44:03,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:44:03 ImpRootNode [2024-11-13 21:44:03,268 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:44:03,269 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:44:03,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:44:03,269 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:44:03,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:42:21" (3/4) ... [2024-11-13 21:44:03,272 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:44:03,273 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:44:03,274 INFO L158 Benchmark]: Toolchain (without parser) took 102887.35ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 91.6MB in the beginning and 198.7MB in the end (delta: -107.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 21:44:03,274 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:44:03,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.68ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 73.2MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:44:03,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.97ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 71.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:44:03,276 INFO L158 Benchmark]: Boogie Preprocessor took 46.41ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 69.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:44:03,276 INFO L158 Benchmark]: RCFGBuilder took 859.42ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 79.8MB in the end (delta: -10.2MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-11-13 21:44:03,277 INFO L158 Benchmark]: CodeCheck took 101402.12ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 79.4MB in the beginning and 201.7MB in the end (delta: -122.4MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-11-13 21:44:03,277 INFO L158 Benchmark]: Witness Printer took 4.22ms. Allocated memory is still 285.2MB. Free memory was 201.7MB in the beginning and 198.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:44:03,279 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, 111 locations, 55 error locations. Started 1 CEGAR loops. OverallTime: 101.3s, OverallIterations: 48, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6478 SdHoareTripleChecker+Valid, 58.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4776 mSDsluCounter, 4919 SdHoareTripleChecker+Invalid, 51.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3707 mSDsCounter, 3607 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14059 IncrementalHoareTripleChecker+Invalid, 17666 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3607 mSolverCounterUnsat, 1212 mSDtfsCounter, 14059 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4850 GetRequests, 4433 SyntacticMatches, 65 SemanticMatches, 352 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55281 ImplicationChecksByTransitivity, 83.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 567 NumberOfCodeBlocks, 567 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 502 ConstructedInterpolants, 0 QuantifiedInterpolants, 2716 SizeOfPredicates, 44 NumberOfNonLiveVariables, 3737 ConjunctsInSsa, 220 ConjunctsInUnsatCore, 47 InterpolantComputations, 45 PerfectInterpolantSequences, 2/6 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: 993]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 993. Possible FailurePath: [L1006] SLL* list = malloc(sizeof(SLL)); [L1007] list->next = ((void*)0) VAL [list={3:0}] [L1008] list->colour = BLACK [L1010] SLL* end = list; VAL [end={3:0}, list={3:0}] [L1013] COND FALSE !(__VERIFIER_nondet_int()) [L1034] end = ((void*)0) [L1035] end = list VAL [end={3:0}, list={3:0}] [L1038] COND FALSE !(!(((void*)0) != end)) VAL [end={3:0}, list={3:0}] [L1039] EXPR end->colour VAL [end={3:0}, list={3:0}] [L1039] COND FALSE !(!(BLACK == end->colour)) [L1041] COND TRUE ((void*)0) != end VAL [end={3:0}, list={3:0}] [L1043] EXPR end->colour VAL [end={3:0}, list={3:0}] [L1043] COND FALSE !(RED == end->colour) [L1049] EXPR end->next VAL [end={3:0}, list={3:0}] [L1049] COND TRUE !(end->next) [L1049] CALL reach_error() [L993] COND FALSE !(0) [L993] __assert_fail ("0", "sll-rb-cnstr_1-2.c", 13, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.68ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 73.2MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.97ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 71.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.41ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 69.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 859.42ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 79.8MB in the end (delta: -10.2MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * CodeCheck took 101402.12ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 79.4MB in the beginning and 201.7MB in the end (delta: -122.4MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * Witness Printer took 4.22ms. Allocated memory is still 285.2MB. Free memory was 201.7MB in the beginning and 198.7MB in the end (delta: 3.1MB). 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 21:44:03,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4afa76-e592-4609-b3b6-1f58ff42b624/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample