./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3 --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 2f737570030041640fd86c7d2770b30b4e6ee4ac0d1c521887700aab87fb1426 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:57:39,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:57:39,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 01:57:39,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:57:39,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:57:39,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:57:39,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:57:39,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:57:39,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:57:39,708 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:57:39,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:57:39,708 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:57:39,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:57:39,709 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 01:57:39,709 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 01:57:39,710 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 01:57:39,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:57:39,710 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:57:39,711 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:57:39,712 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:57:39,712 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:57:39,712 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:57:39,712 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:57:39,712 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:57:39,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:57:39,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:39,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:57:39,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:57:39,713 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:57:39,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:57:39,713 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_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3 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 -> 2f737570030041640fd86c7d2770b30b4e6ee4ac0d1c521887700aab87fb1426 [2024-11-25 01:57:40,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:57:40,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:57:40,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:57:40,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:57:40,085 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:57:40,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2024-11-25 01:57:43,251 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/data/5201ff60c/9c22f0b5582e439081e7025531c87425/FLAG681525c22 [2024-11-25 01:57:43,548 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:57:43,548 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2024-11-25 01:57:43,568 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/data/5201ff60c/9c22f0b5582e439081e7025531c87425/FLAG681525c22 [2024-11-25 01:57:43,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/data/5201ff60c/9c22f0b5582e439081e7025531c87425 [2024-11-25 01:57:43,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:57:43,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:57:43,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:43,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:57:43,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:57:43,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:43" (1/1) ... [2024-11-25 01:57:43,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2136a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:43, skipping insertion in model container [2024-11-25 01:57:43,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:43" (1/1) ... [2024-11-25 01:57:43,847 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:57:44,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:44,234 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:57:44,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:44,335 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:57:44,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:44 WrapperNode [2024-11-25 01:57:44,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:44,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:44,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:57:44,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:57:44,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:44" (1/1) ... [2024-11-25 01:57:44,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:44" (1/1) ... [2024-11-25 01:57:44,394 INFO L138 Inliner]: procedures = 116, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2024-11-25 01:57:44,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:44,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:57:44,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:57:44,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:57:44,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:44" (1/1) ... [2024-11-25 01:57:44,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:44" (1/1) ... [2024-11-25 01:57:44,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:44" (1/1) ... [2024-11-25 01:57:44,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:44" (1/1) ... [2024-11-25 01:57:44,426 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:44" (1/1) ... [2024-11-25 01:57:44,431 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:44" (1/1) ... [2024-11-25 01:57:44,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:44" (1/1) ... [2024-11-25 01:57:44,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:44" (1/1) ... [2024-11-25 01:57:44,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:44" (1/1) ... [2024-11-25 01:57:44,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:57:44,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:57:44,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:57:44,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:57:44,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:44" (1/1) ... [2024-11-25 01:57:44,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:44,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:57:44,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:57:44,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:57:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 01:57:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 01:57:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 01:57:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 01:57:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:57:44,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:57:44,629 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:57:44,631 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:57:45,080 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-25 01:57:45,081 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:57:45,124 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:57:45,125 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 01:57:45,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:45 BoogieIcfgContainer [2024-11-25 01:57:45,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:57:45,127 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:57:45,127 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:57:45,138 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:57:45,138 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:45" (1/1) ... [2024-11-25 01:57:45,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:57:45,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:45,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 123 states and 130 transitions. [2024-11-25 01:57:45,203 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2024-11-25 01:57:45,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 01:57:45,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:45,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:45,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:45,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 122 states and 129 transitions. [2024-11-25 01:57:45,486 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2024-11-25 01:57:45,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 01:57:45,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:45,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:45,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:45,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:45,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 121 states and 128 transitions. [2024-11-25 01:57:45,786 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2024-11-25 01:57:45,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 01:57:45,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:45,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:45,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:45,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:45,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2024-11-25 01:57:45,869 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2024-11-25 01:57:45,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 01:57:45,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:45,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:46,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:46,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:46,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 119 states and 126 transitions. [2024-11-25 01:57:46,275 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 126 transitions. [2024-11-25 01:57:46,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 01:57:46,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:46,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:46,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:46,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:46,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 120 states and 128 transitions. [2024-11-25 01:57:46,566 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 128 transitions. [2024-11-25 01:57:46,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 01:57:46,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:46,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:46,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:46,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:46,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 119 states and 127 transitions. [2024-11-25 01:57:46,703 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 127 transitions. [2024-11-25 01:57:46,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 01:57:46,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:46,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:46,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:47,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:47,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 118 states and 126 transitions. [2024-11-25 01:57:47,077 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 126 transitions. [2024-11-25 01:57:47,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 01:57:47,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:47,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:47,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:47,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:47,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 122 states and 134 transitions. [2024-11-25 01:57:47,787 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 134 transitions. [2024-11-25 01:57:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 01:57:47,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:47,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:49,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 126 states and 145 transitions. [2024-11-25 01:57:49,103 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 145 transitions. [2024-11-25 01:57:49,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 01:57:49,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:49,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:49,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:49,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:49,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 130 states and 150 transitions. [2024-11-25 01:57:49,761 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2024-11-25 01:57:49,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 01:57:49,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:49,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:49,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:50,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:50,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 130 states and 149 transitions. [2024-11-25 01:57:50,121 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2024-11-25 01:57:50,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 01:57:50,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:50,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:50,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:52,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:52,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 134 states and 161 transitions. [2024-11-25 01:57:52,059 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 161 transitions. [2024-11-25 01:57:52,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 01:57:52,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:52,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:52,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 120 states and 128 transitions. [2024-11-25 01:57:52,828 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 128 transitions. [2024-11-25 01:57:52,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 01:57:52,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:52,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:53,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:57:55,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:55,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 130 states and 145 transitions. [2024-11-25 01:57:55,076 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 145 transitions. [2024-11-25 01:57:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 01:57:55,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:55,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:56,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:59,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:59,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 140 states and 162 transitions. [2024-11-25 01:57:59,851 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2024-11-25 01:57:59,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 01:57:59,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:59,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:59,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-25 01:58:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:00,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 141 states and 164 transitions. [2024-11-25 01:58:00,898 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 164 transitions. [2024-11-25 01:58:00,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 01:58:00,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:00,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:58:02,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:02,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 142 states and 166 transitions. [2024-11-25 01:58:02,097 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2024-11-25 01:58:02,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 01:58:02,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:02,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:02,297 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 01:58:02,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:02,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 141 states and 165 transitions. [2024-11-25 01:58:02,447 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 165 transitions. [2024-11-25 01:58:02,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 01:58:02,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:02,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:02,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:58:03,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:03,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 142 states and 166 transitions. [2024-11-25 01:58:03,261 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2024-11-25 01:58:03,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 01:58:03,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:03,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:03,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 01:58:03,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:03,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 141 states and 165 transitions. [2024-11-25 01:58:03,328 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 165 transitions. [2024-11-25 01:58:03,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 01:58:03,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:03,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:58:04,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:04,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 142 states and 167 transitions. [2024-11-25 01:58:04,659 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2024-11-25 01:58:04,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 01:58:04,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:04,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:04,888 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:06,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:06,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 112 states and 119 transitions. [2024-11-25 01:58:06,079 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2024-11-25 01:58:06,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 01:58:06,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:06,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:06,169 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:58:06,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:06,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 111 states and 118 transitions. [2024-11-25 01:58:06,193 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 118 transitions. [2024-11-25 01:58:06,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 01:58:06,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:06,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:07,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:13,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:13,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 110 states and 117 transitions. [2024-11-25 01:58:13,048 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 117 transitions. [2024-11-25 01:58:13,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 01:58:13,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:13,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:13,983 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:58:17,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:17,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 109 states and 116 transitions. [2024-11-25 01:58:17,223 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 116 transitions. [2024-11-25 01:58:17,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 01:58:17,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:17,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:58:24,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:24,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 108 states and 115 transitions. [2024-11-25 01:58:24,223 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 115 transitions. [2024-11-25 01:58:24,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 01:58:24,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:24,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:26,665 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:38,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:38,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 107 states and 114 transitions. [2024-11-25 01:58:38,838 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 114 transitions. [2024-11-25 01:58:38,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 01:58:38,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:38,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:40,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:58:56,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 106 states and 113 transitions. [2024-11-25 01:58:56,225 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 113 transitions. [2024-11-25 01:58:56,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 01:58:56,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:56,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 01:58:58,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:58,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 105 states and 112 transitions. [2024-11-25 01:58:58,825 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 112 transitions. [2024-11-25 01:58:58,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 01:58:58,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:58,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:01,162 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:14,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:14,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 104 states and 111 transitions. [2024-11-25 01:59:14,945 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 111 transitions. [2024-11-25 01:59:14,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 01:59:14,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:14,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:16,040 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:59:25,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:25,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 103 states and 110 transitions. [2024-11-25 01:59:25,469 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 110 transitions. [2024-11-25 01:59:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 01:59:25,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:25,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:26,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:59:29,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:29,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2024-11-25 01:59:29,893 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2024-11-25 01:59:29,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 01:59:29,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:29,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:30,159 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:33,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:33,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 101 states and 108 transitions. [2024-11-25 01:59:33,577 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2024-11-25 01:59:33,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 01:59:33,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:33,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:33,629 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:59:37,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:37,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 100 states and 107 transitions. [2024-11-25 01:59:37,801 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 107 transitions. [2024-11-25 01:59:37,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 01:59:37,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:37,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:37,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:59:41,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:41,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 99 states and 106 transitions. [2024-11-25 01:59:41,363 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 106 transitions. [2024-11-25 01:59:41,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 01:59:41,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:41,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:59:44,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:44,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 98 states and 105 transitions. [2024-11-25 01:59:44,259 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 105 transitions. [2024-11-25 01:59:44,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 01:59:44,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:44,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:44,313 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:59:44,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 97 states and 104 transitions. [2024-11-25 01:59:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 104 transitions. [2024-11-25 01:59:44,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 01:59:44,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:44,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:45,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:59:50,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:50,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 96 states and 103 transitions. [2024-11-25 01:59:50,390 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions. [2024-11-25 01:59:50,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 01:59:50,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:50,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:50,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:54,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:54,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 95 states and 102 transitions. [2024-11-25 01:59:54,142 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 102 transitions. [2024-11-25 01:59:54,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 01:59:54,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:54,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:59:59,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:59,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 94 states and 101 transitions. [2024-11-25 01:59:59,888 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 101 transitions. [2024-11-25 01:59:59,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 01:59:59,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:59,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:00,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:00:04,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:04,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 93 states and 100 transitions. [2024-11-25 02:00:04,920 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 100 transitions. [2024-11-25 02:00:04,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:00:04,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:04,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:04,962 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:00:08,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:08,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 92 states and 99 transitions. [2024-11-25 02:00:08,227 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 99 transitions. [2024-11-25 02:00:08,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:00:08,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:08,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:08,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:00:08,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:08,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 91 states and 98 transitions. [2024-11-25 02:00:08,355 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2024-11-25 02:00:08,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:00:08,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:08,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:10,771 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:24,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:24,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 90 states and 97 transitions. [2024-11-25 02:00:24,250 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2024-11-25 02:00:24,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:00:24,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:24,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:41,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:41,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 89 states and 96 transitions. [2024-11-25 02:00:41,343 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2024-11-25 02:00:41,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:00:41,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:41,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:43,931 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:53,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:53,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 88 states and 95 transitions. [2024-11-25 02:00:53,309 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2024-11-25 02:00:53,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:00:53,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:53,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:57,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:01:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:01:26,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 87 states and 94 transitions. [2024-11-25 02:01:26,096 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2024-11-25 02:01:26,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:01:26,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:01:26,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:01:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:01:28,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:01:36,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:01:36,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 86 states and 93 transitions. [2024-11-25 02:01:36,810 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2024-11-25 02:01:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:01:36,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:01:36,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:01:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:01:37,031 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:01:37,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:01:37,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 85 states and 92 transitions. [2024-11-25 02:01:37,229 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2024-11-25 02:01:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:01:37,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:01:37,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:01:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:01:37,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:01:41,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:01:41,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 84 states and 91 transitions. [2024-11-25 02:01:41,109 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2024-11-25 02:01:41,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:01:41,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:01:41,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:01:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:01:41,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:01:44,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:01:44,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 83 states and 90 transitions. [2024-11-25 02:01:44,869 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2024-11-25 02:01:44,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 02:01:44,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:01:44,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:01:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:01:45,006 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:01:45,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:01:45,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 82 states and 89 transitions. [2024-11-25 02:01:45,070 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2024-11-25 02:01:45,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 02:01:45,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:01:45,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:01:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:01:45,117 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:01:45,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:01:45,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 81 states and 88 transitions. [2024-11-25 02:01:45,160 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2024-11-25 02:01:45,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 02:01:45,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:01:45,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:01:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:01:45,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:01:53,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:01:53,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 80 states and 87 transitions. [2024-11-25 02:01:53,737 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2024-11-25 02:01:53,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 02:01:53,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:01:53,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:01:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:01:53,944 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:01:57,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:01:57,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2024-11-25 02:01:57,610 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2024-11-25 02:01:57,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 02:01:57,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:01:57,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:01:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:01:58,021 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:02:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:01,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 78 states and 85 transitions. [2024-11-25 02:02:01,130 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2024-11-25 02:02:01,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 02:02:01,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:01,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:02:05,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:05,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 77 states and 84 transitions. [2024-11-25 02:02:05,085 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 84 transitions. [2024-11-25 02:02:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 02:02:05,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:05,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:05,134 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:02:05,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:05,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 76 states and 83 transitions. [2024-11-25 02:02:05,190 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2024-11-25 02:02:05,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 02:02:05,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:05,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:05,211 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:02:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:05,349 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:02:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:05,409 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 59 iterations. [2024-11-25 02:02:05,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:02:05 ImpRootNode [2024-11-25 02:02:05,465 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:02:05,466 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:02:05,466 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:02:05,466 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:02:05,467 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:45" (3/4) ... [2024-11-25 02:02:05,470 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:02:05,471 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:02:05,472 INFO L158 Benchmark]: Toolchain (without parser) took 261659.86ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 91.6MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 309.6MB. Max. memory is 16.1GB. [2024-11-25 02:02:05,473 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:05,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.36ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 74.4MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:02:05,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.20ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 72.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:05,477 INFO L158 Benchmark]: Boogie Preprocessor took 54.52ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 71.2MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:02:05,477 INFO L158 Benchmark]: RCFGBuilder took 674.70ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 46.9MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:02:05,477 INFO L158 Benchmark]: CodeCheck took 260338.41ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 46.9MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 267.6MB. Max. memory is 16.1GB. [2024-11-25 02:02:05,477 INFO L158 Benchmark]: Witness Printer took 5.56ms. Allocated memory is still 1.5GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 289.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:05,479 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, 123 locations, 59 error locations. Started 1 CEGAR loops. OverallTime: 260.3s, OverallIterations: 59, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13014 SdHoareTripleChecker+Valid, 86.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12412 mSDsluCounter, 9736 SdHoareTripleChecker+Invalid, 76.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8752 mSDsCounter, 9180 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45756 IncrementalHoareTripleChecker+Invalid, 54936 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9180 mSolverCounterUnsat, 984 mSDtfsCounter, 45756 mSolverCounterSat, 1.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9893 GetRequests, 8509 SyntacticMatches, 350 SemanticMatches, 1034 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563863 ImplicationChecksByTransitivity, 246.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 34.6s InterpolantComputationTime, 1139 NumberOfCodeBlocks, 1139 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 1053 ConstructedInterpolants, 0 QuantifiedInterpolants, 6360 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 58 InterpolantComputations, 38 PerfectInterpolantSequences, 188/292 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 616]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 616. Possible FailurePath: [L617] const int len = 3; [L618] CALL, EXPR dll_circular_create(len) [L564] DLL last = (DLL) malloc(sizeof(struct node)); [L565] COND FALSE !(((void *)0) == last) VAL [last={-1:0}, len=3] [L568] last->next = last VAL [last={-1:0}, len=3] [L569] last->prev = last [L570] DLL head = last; VAL [head={-1:0}, last={-1:0}, len=3] [L571] COND TRUE len > 1 [L572] DLL new_head = (DLL) malloc(sizeof(struct node)); [L573] COND FALSE !(((void *)0) == new_head) VAL [head={-1:0}, last={-1:0}, len=3, new_head={-3:0}] [L576] new_head->next = head VAL [head={-1:0}, last={-1:0}, len=3, new_head={-3:0}] [L577] head->prev = new_head [L578] head = new_head [L579] len-- [L571] COND TRUE len > 1 [L572] DLL new_head = (DLL) malloc(sizeof(struct node)); [L573] COND FALSE !(((void *)0) == new_head) VAL [head={-3:0}, last={-1:0}, len=2, new_head={-2:0}] [L576] new_head->next = head VAL [head={-3:0}, last={-1:0}, len=2, new_head={-2:0}] [L577] head->prev = new_head [L578] head = new_head [L579] len-- [L571] COND FALSE !(len > 1) VAL [head={-2:0}, last={-1:0}] [L581] last->next = head VAL [head={-2:0}, last={-1:0}] [L582] head->prev = last [L583] return head; [L618] RET, EXPR dll_circular_create(len) [L618] DLL head = dll_circular_create(len); [L619] CALL _destroy_in_nondeterministic_order(head) [L586] EXPR head->prev [L586] DLL pred = head->prev; [L587] EXPR head->next [L587] DLL succ = head->next; [L588] COND FALSE !(__VERIFIER_nondet_int()) [L597] COND FALSE !(__VERIFIER_nondet_int()) [L607] free(pred) VAL [head={-2:0}, succ={-3:0}] [L607] free(pred) VAL [head={-2:0}, succ={-3:0}] [L607] free(pred) [L608] COND FALSE !(__VERIFIER_nondet_int()) [L612] free(head) VAL [succ={-3:0}] [L612] free(head) VAL [succ={-3:0}] [L612] free(head) [L619] RET _destroy_in_nondeterministic_order(head) [L620] head = ((void *)0) [L621] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.36ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 74.4MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.20ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 72.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.52ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 71.2MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 674.70ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 46.9MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 260338.41ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 46.9MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 267.6MB. Max. memory is 16.1GB. * Witness Printer took 5.56ms. Allocated memory is still 1.5GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 289.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:02:05,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/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_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3 --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 2f737570030041640fd86c7d2770b30b4e6ee4ac0d1c521887700aab87fb1426 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:02:08,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:02:08,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-25 02:02:08,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:02:08,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:02:08,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:02:08,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:02:08,400 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:02:08,400 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:02:08,400 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:02:08,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:02:08,400 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 02:02:08,401 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 02:02:08,401 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 02:02:08,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:02:08,402 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:02:08,402 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:02:08,403 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:02:08,403 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:02:08,403 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:02:08,403 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:02:08,403 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:02:08,403 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:02:08,403 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:02:08,403 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:02:08,404 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:08,404 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:02:08,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:02:08,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:02:08,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:02:08,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:02:08,404 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:02:08,404 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:08,404 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:02:08,404 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_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3 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 -> 2f737570030041640fd86c7d2770b30b4e6ee4ac0d1c521887700aab87fb1426 [2024-11-25 02:02:08,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:02:08,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:02:08,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:02:08,717 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:02:08,718 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:02:08,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2024-11-25 02:02:11,635 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/data/ebc1fe40f/01c086f37a0e4f4097f912811c737458/FLAG5013afe47 [2024-11-25 02:02:11,933 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:02:11,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2024-11-25 02:02:11,948 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/data/ebc1fe40f/01c086f37a0e4f4097f912811c737458/FLAG5013afe47 [2024-11-25 02:02:12,195 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/data/ebc1fe40f/01c086f37a0e4f4097f912811c737458 [2024-11-25 02:02:12,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:02:12,199 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:02:12,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:02:12,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:02:12,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:02:12,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:02:12" (1/1) ... [2024-11-25 02:02:12,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c1b80e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:12, skipping insertion in model container [2024-11-25 02:02:12,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:02:12" (1/1) ... [2024-11-25 02:02:12,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:02:12,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:02:12,571 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:02:12,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:02:12,653 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:02:12,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:12 WrapperNode [2024-11-25 02:02:12,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:02:12,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:02:12,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:02:12,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:02:12,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:12" (1/1) ... [2024-11-25 02:02:12,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:12" (1/1) ... [2024-11-25 02:02:12,699 INFO L138 Inliner]: procedures = 117, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 130 [2024-11-25 02:02:12,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:02:12,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:02:12,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:02:12,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:02:12,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:12" (1/1) ... [2024-11-25 02:02:12,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:12" (1/1) ... [2024-11-25 02:02:12,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:12" (1/1) ... [2024-11-25 02:02:12,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:12" (1/1) ... [2024-11-25 02:02:12,722 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:12" (1/1) ... [2024-11-25 02:02:12,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:12" (1/1) ... [2024-11-25 02:02:12,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:12" (1/1) ... [2024-11-25 02:02:12,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:12" (1/1) ... [2024-11-25 02:02:12,729 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:12" (1/1) ... [2024-11-25 02:02:12,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:02:12,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:02:12,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:02:12,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:02:12,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:12" (1/1) ... [2024-11-25 02:02:12,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:02:12,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:02:12,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:02:12,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:02:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 02:02:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 02:02:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 02:02:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:02:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:02:12,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:02:12,939 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:02:12,941 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:02:13,611 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-25 02:02:13,612 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:02:13,692 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:02:13,692 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:02:13,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:02:13 BoogieIcfgContainer [2024-11-25 02:02:13,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:02:13,693 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:02:13,693 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:02:13,710 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:02:13,711 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:02:13" (1/1) ... [2024-11-25 02:02:13,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:02:13,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:13,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 123 states and 130 transitions. [2024-11-25 02:02:13,783 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2024-11-25 02:02:13,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:02:13,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:13,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:13,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:13,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:13,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:02:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:13,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:13,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:02:13,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:13,983 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 [2024-11-25 02:02:14,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:14,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:02:14,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:14,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 122 states and 129 transitions. [2024-11-25 02:02:14,074 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2024-11-25 02:02:14,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:02:14,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:14,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:14,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:14,077 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:14,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:02:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:14,190 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:14,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:02:14,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:14,234 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 [2024-11-25 02:02:14,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:14,282 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:02:14,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:02:14,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:14,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 121 states and 128 transitions. [2024-11-25 02:02:14,449 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2024-11-25 02:02:14,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:02:14,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:14,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:14,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:14,451 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:14,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:02:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:14,530 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:14,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:02:14,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:14,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:14,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 02:02:14,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:14,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2024-11-25 02:02:14,587 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2024-11-25 02:02:14,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:02:14,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:14,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:14,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:14,591 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:14,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 02:02:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:14,688 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:14,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:02:14,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:14,726 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 [2024-11-25 02:02:14,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:14,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-25 02:02:14,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:14,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 119 states and 126 transitions. [2024-11-25 02:02:14,820 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 126 transitions. [2024-11-25 02:02:14,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:02:14,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:14,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:14,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:14,826 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:14,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 02:02:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:14,911 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:14,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:02:14,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:14,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:14,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 02:02:15,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 121 states and 130 transitions. [2024-11-25 02:02:15,054 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 130 transitions. [2024-11-25 02:02:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:02:15,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:15,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:15,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:15,057 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:15,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 02:02:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:15,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:15,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:02:15,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:15,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:15,332 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:02:15,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 02:02:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 123 states and 133 transitions. [2024-11-25 02:02:15,667 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2024-11-25 02:02:15,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:02:15,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:15,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:15,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:15,673 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:15,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 02:02:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:15,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:15,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:02:15,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:15,825 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 [2024-11-25 02:02:15,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:15,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-25 02:02:15,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:15,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 122 states and 132 transitions. [2024-11-25 02:02:15,937 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 132 transitions. [2024-11-25 02:02:15,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:02:15,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:15,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:15,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:15,940 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:15,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 02:02:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:16,050 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:16,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:02:16,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:16,084 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 [2024-11-25 02:02:16,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:16,133 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:02:16,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-25 02:02:16,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 121 states and 131 transitions. [2024-11-25 02:02:16,383 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 131 transitions. [2024-11-25 02:02:16,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:02:16,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:16,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:16,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:16,385 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:16,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 02:02:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:16,500 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:16,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:02:16,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:16,526 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 [2024-11-25 02:02:16,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:16,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-25 02:02:17,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:17,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 124 states and 136 transitions. [2024-11-25 02:02:17,024 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 136 transitions. [2024-11-25 02:02:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:02:17,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:17,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:17,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:17,028 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:17,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 02:02:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:17,146 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:17,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:02:17,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:17,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:17,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 02:02:17,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:17,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 125 states and 138 transitions. [2024-11-25 02:02:17,930 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 138 transitions. [2024-11-25 02:02:17,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:02:17,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:17,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:17,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:17,935 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:17,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 02:02:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:18,066 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:18,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 02:02:18,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:18,145 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-25 02:02:18,145 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 [2024-11-25 02:02:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:18,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 02:02:18,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 128 states and 145 transitions. [2024-11-25 02:02:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 145 transitions. [2024-11-25 02:02:18,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:02:18,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:18,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:18,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:18,581 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:18,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 02:02:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:18,715 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:18,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:02:18,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:18,760 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 [2024-11-25 02:02:18,779 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 [2024-11-25 02:02:18,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:02:18,945 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 [2024-11-25 02:02:18,959 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-25 02:02:18,959 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 [2024-11-25 02:02:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:19,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-25 02:02:20,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:20,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 132 states and 160 transitions. [2024-11-25 02:02:20,347 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 160 transitions. [2024-11-25 02:02:20,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:02:20,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:20,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:20,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:20,352 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:20,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 02:02:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:20,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:20,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:02:20,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:20,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 02:02:22,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:22,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 136 states and 175 transitions. [2024-11-25 02:02:22,005 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 175 transitions. [2024-11-25 02:02:22,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:02:22,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:22,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:22,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:22,008 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:22,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 02:02:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:22,135 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:22,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:02:22,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:22,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:22,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 02:02:23,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:23,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 140 states and 189 transitions. [2024-11-25 02:02:23,717 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 189 transitions. [2024-11-25 02:02:23,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:02:23,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:23,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:23,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:23,720 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:23,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 02:02:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:23,854 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:23,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:02:23,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:23,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:23,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 02:02:24,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:24,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 140 states and 188 transitions. [2024-11-25 02:02:24,251 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 188 transitions. [2024-11-25 02:02:24,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:02:24,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:24,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:24,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:24,254 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:24,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 02:02:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:24,386 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:24,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 02:02:24,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:24,427 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 [2024-11-25 02:02:24,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:24,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-25 02:02:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:25,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 143 states and 194 transitions. [2024-11-25 02:02:25,758 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 194 transitions. [2024-11-25 02:02:25,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:02:25,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:25,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:25,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:25,761 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:25,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 02:02:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:25,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:25,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 02:02:25,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:25,983 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-25 02:02:25,983 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 [2024-11-25 02:02:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:25,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 02:02:26,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:26,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 144 states and 198 transitions. [2024-11-25 02:02:26,678 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 198 transitions. [2024-11-25 02:02:26,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:02:26,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:26,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:26,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:26,684 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:26,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 02:02:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:26,832 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:26,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 02:02:26,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:26,870 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 [2024-11-25 02:02:27,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:27,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 02:02:27,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:27,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 143 states and 197 transitions. [2024-11-25 02:02:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 197 transitions. [2024-11-25 02:02:27,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:02:27,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:27,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:27,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:27,154 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:27,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 02:02:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:27,314 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:27,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:02:27,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:27,354 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 [2024-11-25 02:02:27,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:02:27,404 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 [2024-11-25 02:02:27,422 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-25 02:02:27,423 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 [2024-11-25 02:02:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:27,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-25 02:02:28,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:28,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 144 states and 199 transitions. [2024-11-25 02:02:28,338 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 199 transitions. [2024-11-25 02:02:28,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:02:28,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:28,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:28,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:28,343 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:28,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 02:02:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:28,518 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:28,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:02:28,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:28,558 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 [2024-11-25 02:02:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:28,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 02:02:29,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 145 states and 200 transitions. [2024-11-25 02:02:29,431 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 200 transitions. [2024-11-25 02:02:29,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:02:29,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:29,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:29,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:29,434 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:29,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 02:02:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:29,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:29,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:02:29,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:29,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:02:29,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 02:02:29,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:29,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 144 states and 199 transitions. [2024-11-25 02:02:29,642 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 199 transitions. [2024-11-25 02:02:29,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:02:29,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:29,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:29,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:29,646 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:29,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 02:02:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:29,811 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:29,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:02:29,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:29,849 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 [2024-11-25 02:02:29,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:29,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 02:02:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:29,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 145 states and 200 transitions. [2024-11-25 02:02:29,936 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 200 transitions. [2024-11-25 02:02:29,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:02:29,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:29,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:29,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:29,939 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:29,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 02:02:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:30,123 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:30,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 02:02:30,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:30,192 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-25 02:02:30,192 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 [2024-11-25 02:02:30,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:02:30,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 02:02:31,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:31,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 148 states and 204 transitions. [2024-11-25 02:02:31,272 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 204 transitions. [2024-11-25 02:02:31,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:02:31,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:31,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:31,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:31,277 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:31,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 02:02:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:31,491 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:31,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:02:31,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:32,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:02:32,027 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 [2024-11-25 02:02:32,038 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-25 02:02:32,038 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 [2024-11-25 02:02:32,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:32,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-25 02:02:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:36,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 156 states and 227 transitions. [2024-11-25 02:02:36,155 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 227 transitions. [2024-11-25 02:02:36,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:02:36,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:36,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:36,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:36,160 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:36,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 02:02:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:36,393 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:36,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:02:36,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:36,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:02:36,507 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 [2024-11-25 02:02:36,522 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-25 02:02:36,522 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 [2024-11-25 02:02:36,544 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:36,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-25 02:02:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:37,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 159 states and 237 transitions. [2024-11-25 02:02:37,897 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 237 transitions. [2024-11-25 02:02:37,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:02:37,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:37,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:37,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:37,899 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:37,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 02:02:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:38,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:38,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:02:38,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:38,135 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-25 02:02:38,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 02:02:38,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:38,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 159 states and 236 transitions. [2024-11-25 02:02:38,691 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 236 transitions. [2024-11-25 02:02:38,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:02:38,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:38,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:38,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:38,694 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:38,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 02:02:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:38,887 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:38,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:02:38,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:38,938 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-25 02:02:38,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 02:02:39,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:39,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 159 states and 235 transitions. [2024-11-25 02:02:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 235 transitions. [2024-11-25 02:02:39,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:02:39,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:39,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:39,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:39,516 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:39,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 02:02:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:39,725 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:39,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 02:02:39,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:39,764 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 [2024-11-25 02:02:39,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:02:39,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-25 02:02:40,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:40,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 159 states and 233 transitions. [2024-11-25 02:02:40,119 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 233 transitions. [2024-11-25 02:02:40,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:02:40,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:40,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:40,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:40,125 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:40,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 02:02:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:40,365 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:40,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 02:02:40,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:40,420 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 [2024-11-25 02:02:40,459 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:02:40,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-25 02:02:40,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:40,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 159 states and 231 transitions. [2024-11-25 02:02:40,966 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 231 transitions. [2024-11-25 02:02:40,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:02:40,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:40,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:40,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:40,969 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:40,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 02:02:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:41,185 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:41,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:02:41,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:41,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:41,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-25 02:02:42,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:42,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 161 states and 234 transitions. [2024-11-25 02:02:42,253 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 234 transitions. [2024-11-25 02:02:42,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:02:42,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:42,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:42,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:42,256 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:42,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 02:02:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:42,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:42,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:02:42,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:42,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:42,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-25 02:02:43,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:43,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 162 states and 238 transitions. [2024-11-25 02:02:43,197 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 238 transitions. [2024-11-25 02:02:43,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 02:02:43,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:43,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:43,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:43,200 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:43,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 02:02:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:43,438 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:43,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 02:02:43,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:43,658 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:43,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-25 02:02:44,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:44,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2024-11-25 02:02:44,498 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2024-11-25 02:02:44,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 02:02:44,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:44,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:44,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:44,500 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:44,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 02:02:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:44,746 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:44,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 02:02:44,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:44,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-25 02:02:45,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:45,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 168 states and 249 transitions. [2024-11-25 02:02:45,709 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 249 transitions. [2024-11-25 02:02:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:02:45,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:45,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:45,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:45,711 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:45,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-25 02:02:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:46,006 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:46,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 02:02:46,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:46,075 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 [2024-11-25 02:02:46,555 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2024-11-25 02:02:46,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2024-11-25 02:02:46,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2024-11-25 02:02:47,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-25 02:02:47,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 11 [2024-11-25 02:02:47,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-25 02:02:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:48,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-25 02:02:56,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:56,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 179 states and 271 transitions. [2024-11-25 02:02:56,373 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 271 transitions. [2024-11-25 02:02:56,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:02:56,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:56,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:56,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:56,376 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:56,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-25 02:02:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:56,660 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:56,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:02:56,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:57,215 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 [2024-11-25 02:02:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:02:57,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-25 02:03:04,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:04,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 186 states and 284 transitions. [2024-11-25 02:03:04,789 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 284 transitions. [2024-11-25 02:03:04,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:03:04,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:04,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:03:04,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:03:04,794 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:03:04,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-25 02:03:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:05,039 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:03:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:05,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:03:05,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:03:06,163 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:03:06,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-25 02:03:19,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 194 states and 302 transitions. [2024-11-25 02:03:19,484 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 302 transitions. [2024-11-25 02:03:19,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:03:19,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:19,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:03:19,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:03:19,490 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:03:19,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-25 02:03:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:19,845 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:03:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:19,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 02:03:19,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:03:19,911 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 [2024-11-25 02:03:19,984 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2024-11-25 02:03:19,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2024-11-25 02:03:20,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2024-11-25 02:03:20,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-25 02:03:20,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 11 [2024-11-25 02:03:20,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-25 02:03:20,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:03:20,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-25 02:03:23,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:23,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 197 states and 307 transitions. [2024-11-25 02:03:23,372 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 307 transitions. [2024-11-25 02:03:23,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:03:23,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:23,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:03:23,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:03:23,374 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:03:23,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-25 02:03:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:23,640 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:03:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:23,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:03:23,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:03:23,748 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:03:23,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-25 02:03:27,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:27,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 197 states and 306 transitions. [2024-11-25 02:03:27,195 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 306 transitions. [2024-11-25 02:03:27,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 02:03:27,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:27,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:03:27,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:03:27,198 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:03:27,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-25 02:03:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:27,528 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:03:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:27,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:03:27,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:03:29,045 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2024-11-25 02:03:29,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2024-11-25 02:03:29,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2024-11-25 02:03:30,126 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-25 02:03:30,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2024-11-25 02:03:30,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 17 [2024-11-25 02:03:31,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 15 [2024-11-25 02:03:31,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-25 02:03:32,222 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:03:32,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-25 02:04:00,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:04:00,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 210 states and 337 transitions. [2024-11-25 02:04:00,517 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions. [2024-11-25 02:04:00,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 02:04:00,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:04:00,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:04:00,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:04:00,523 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:04:00,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-25 02:04:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:00,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:04:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:00,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:04:00,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:04:02,413 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 [2024-11-25 02:04:02,930 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 15 treesize of output 7 [2024-11-25 02:04:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:04:03,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-25 02:04:38,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:04:38,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 227 states and 377 transitions. [2024-11-25 02:04:38,553 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 377 transitions. [2024-11-25 02:04:38,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 02:04:38,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:04:38,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:04:38,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:04:38,556 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:04:38,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-25 02:04:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:38,830 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:04:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:38,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:04:38,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:04:38,896 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:04:38,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-25 02:04:45,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:04:45,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 230 states and 384 transitions. [2024-11-25 02:04:45,432 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 384 transitions. [2024-11-25 02:04:45,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 02:04:45,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:04:45,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:04:45,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:04:45,437 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:04:45,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-25 02:04:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:45,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:04:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:45,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:04:45,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:04:45,987 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2024-11-25 02:04:45,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2024-11-25 02:04:46,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2024-11-25 02:04:46,046 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-25 02:04:46,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2024-11-25 02:04:46,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 17 [2024-11-25 02:04:46,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 15 [2024-11-25 02:04:46,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-25 02:04:46,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:04:46,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-25 02:04:51,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:04:51,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 233 states and 388 transitions. [2024-11-25 02:04:51,578 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 388 transitions. [2024-11-25 02:04:51,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:04:51,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:04:51,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:04:51,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:04:51,583 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:04:51,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-25 02:04:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:51,948 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:04:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:51,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 02:04:51,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:04:52,021 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 02:04:52,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-25 02:04:54,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:04:54,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 108 states and 117 transitions. [2024-11-25 02:04:54,590 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 117 transitions. [2024-11-25 02:04:54,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:04:54,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:04:54,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:04:54,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:04:54,596 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:04:54,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-25 02:04:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:54,958 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:04:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:55,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:04:55,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:04:55,019 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 [2024-11-25 02:04:55,052 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2024-11-25 02:04:55,052 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 16 treesize of output 17 [2024-11-25 02:04:56,893 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2024-11-25 02:04:56,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2024-11-25 02:04:57,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2024-11-25 02:04:58,373 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-25 02:04:58,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-11-25 02:04:58,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 28 treesize of output 21 [2024-11-25 02:04:59,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2024-11-25 02:05:00,202 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 27 treesize of output 15 [2024-11-25 02:05:00,786 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:05:00,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-25 02:05:36,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:05:36,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 107 states and 116 transitions. [2024-11-25 02:05:36,234 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 116 transitions. [2024-11-25 02:05:36,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:05:36,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:05:36,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:05:36,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:05:36,236 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:05:36,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-25 02:05:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:05:36,606 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:05:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:05:36,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:05:36,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:05:37,223 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 [2024-11-25 02:05:37,914 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 [2024-11-25 02:05:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:05:38,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-25 02:06:03,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:06:03,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 106 states and 115 transitions. [2024-11-25 02:06:03,874 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2024-11-25 02:06:03,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 02:06:03,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:06:03,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:06:03,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:06:03,877 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:06:03,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-25 02:06:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:04,259 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:06:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:04,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:06:04,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:06:04,363 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 [2024-11-25 02:06:04,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:06:04,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-25 02:06:12,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:06:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 105 states and 114 transitions. [2024-11-25 02:06:12,755 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2024-11-25 02:06:12,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 02:06:12,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:06:12,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:06:12,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:06:12,757 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:06:12,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-25 02:06:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:13,183 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:06:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:13,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 02:06:13,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:06:13,252 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 [2024-11-25 02:06:13,322 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2024-11-25 02:06:13,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2024-11-25 02:06:13,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2024-11-25 02:06:13,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-25 02:06:13,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 11 [2024-11-25 02:06:13,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-25 02:06:13,443 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:06:13,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-25 02:06:22,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:06:22,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 104 states and 113 transitions. [2024-11-25 02:06:22,439 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2024-11-25 02:06:22,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:06:22,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:06:22,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:06:22,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:06:22,441 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:06:22,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-25 02:06:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:22,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:06:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:22,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:06:22,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:06:22,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:06:22,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-25 02:06:33,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:06:33,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 103 states and 112 transitions. [2024-11-25 02:06:33,449 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 112 transitions. [2024-11-25 02:06:33,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:06:33,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:06:33,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:06:33,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:06:33,452 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:06:33,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-25 02:06:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:33,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:06:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:33,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:06:33,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:06:34,004 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 [2024-11-25 02:06:34,025 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:06:34,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-25 02:06:45,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:06:45,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 102 states and 111 transitions. [2024-11-25 02:06:45,207 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 111 transitions. [2024-11-25 02:06:45,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:06:45,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:06:45,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:06:45,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:06:45,210 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:06:45,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-25 02:06:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:45,570 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:06:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:45,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:06:45,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:06:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:06:45,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-25 02:06:52,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:06:52,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 101 states and 110 transitions. [2024-11-25 02:06:52,548 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 110 transitions. [2024-11-25 02:06:52,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:06:52,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:06:52,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:06:52,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:06:52,550 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:06:52,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-25 02:06:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:52,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:06:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:52,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:06:52,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:06:52,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:06:52,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-25 02:06:52,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:06:52,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 100 states and 109 transitions. [2024-11-25 02:06:52,985 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 109 transitions. [2024-11-25 02:06:52,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:06:52,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:06:52,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:06:52,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:06:52,988 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:06:52,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-25 02:06:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:53,440 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:06:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:53,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:06:53,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:06:53,588 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 15 treesize of output 1 [2024-11-25 02:06:53,596 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 15 treesize of output 7 [2024-11-25 02:06:53,621 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:06:53,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-25 02:07:04,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:07:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 99 states and 108 transitions. [2024-11-25 02:07:04,577 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 108 transitions. [2024-11-25 02:07:04,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:07:04,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:07:04,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:07:04,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:07:04,579 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:07:04,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-25 02:07:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:07:05,011 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:07:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:07:05,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:07:05,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:07:05,087 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 [2024-11-25 02:07:05,160 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2024-11-25 02:07:05,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2024-11-25 02:07:05,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2024-11-25 02:07:05,224 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-25 02:07:05,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2024-11-25 02:07:05,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 17 [2024-11-25 02:07:05,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 15 [2024-11-25 02:07:05,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-25 02:07:05,310 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:07:05,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-25 02:07:14,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:07:14,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 98 states and 107 transitions. [2024-11-25 02:07:14,608 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 107 transitions. [2024-11-25 02:07:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:07:14,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:07:14,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:07:14,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:07:14,615 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:07:14,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-25 02:07:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:07:14,985 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:07:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:07:15,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:07:15,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:07:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:07:15,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-25 02:07:29,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:07:29,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 97 states and 106 transitions. [2024-11-25 02:07:29,249 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2024-11-25 02:07:29,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:07:29,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:07:29,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:07:29,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:07:29,251 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:07:29,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-25 02:07:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:07:29,669 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:07:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:07:29,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:07:29,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:07:29,791 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 [2024-11-25 02:07:29,795 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 15 treesize of output 7 [2024-11-25 02:07:29,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:07:29,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-25 02:07:42,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:07:42,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 96 states and 105 transitions. [2024-11-25 02:07:42,250 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2024-11-25 02:07:42,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:07:42,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:07:42,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:07:42,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:07:42,252 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:07:42,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-25 02:07:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:07:42,643 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:07:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:07:42,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:07:42,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:07:42,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:07:42,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-25 02:07:51,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:07:51,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 95 states and 104 transitions. [2024-11-25 02:07:51,206 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2024-11-25 02:07:51,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:07:51,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:07:51,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:07:51,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:07:51,208 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:07:51,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-25 02:07:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:07:51,594 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:07:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:07:51,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:07:51,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:07:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:07:51,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-25 02:07:51,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:07:51,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 94 states and 103 transitions. [2024-11-25 02:07:51,714 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2024-11-25 02:07:51,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:07:51,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:07:51,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:07:51,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:07:51,716 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:07:51,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-25 02:07:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:07:52,171 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:07:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:07:52,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:07:52,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:07:52,242 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-25 02:07:52,242 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 [2024-11-25 02:07:54,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2024-11-25 02:07:55,143 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 27 treesize of output 15 [2024-11-25 02:07:55,955 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 16 treesize of output 13 [2024-11-25 02:07:55,965 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:07:55,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-25 02:08:26,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:08:26,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 93 states and 102 transitions. [2024-11-25 02:08:26,779 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2024-11-25 02:08:26,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:08:26,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:08:26,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:08:26,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:08:26,781 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:08:26,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-25 02:08:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:08:27,269 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:08:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:08:27,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:08:27,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:08:28,007 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2024-11-25 02:08:28,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2024-11-25 02:08:28,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2024-11-25 02:08:28,065 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-25 02:08:28,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-11-25 02:08:28,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 28 treesize of output 21 [2024-11-25 02:08:28,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2024-11-25 02:08:28,131 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 27 treesize of output 15 [2024-11-25 02:08:29,045 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 16 treesize of output 13 [2024-11-25 02:08:29,054 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:08:29,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-25 02:08:44,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:08:44,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 92 states and 101 transitions. [2024-11-25 02:08:44,676 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2024-11-25 02:08:44,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:08:44,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:08:44,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:08:44,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:08:44,678 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:08:44,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-25 02:08:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:08:45,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:08:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:08:45,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:08:45,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:08:45,274 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2024-11-25 02:08:45,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2024-11-25 02:08:45,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2024-11-25 02:08:45,321 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-25 02:08:45,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2024-11-25 02:08:46,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 17 treesize of output 12 [2024-11-25 02:08:47,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2024-11-25 02:08:48,730 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 16 treesize of output 8 [2024-11-25 02:08:49,566 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 16 treesize of output 13 [2024-11-25 02:08:49,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:08:49,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-25 02:09:12,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:09:12,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 91 states and 100 transitions. [2024-11-25 02:09:12,285 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2024-11-25 02:09:12,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:09:12,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:09:12,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:09:12,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:09:12,291 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:09:12,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-25 02:09:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:09:12,914 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:09:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:09:12,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-25 02:09:12,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:09:12,976 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 [2024-11-25 02:09:13,823 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-25 02:09:13,823 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 [2024-11-25 02:09:16,743 INFO L349 Elim1Store]: treesize reduction 12, result has 42.9 percent of original size [2024-11-25 02:09:16,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2024-11-25 02:09:17,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2024-11-25 02:09:18,796 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-25 02:09:18,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2024-11-25 02:09:19,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 25 treesize of output 18 [2024-11-25 02:09:20,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2024-11-25 02:09:22,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:09:22,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 26 [2024-11-25 02:09:23,523 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 16 treesize of output 13 [2024-11-25 02:09:23,531 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:09:23,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-25 02:10:18,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:10:18,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 87 states and 94 transitions. [2024-11-25 02:10:18,292 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2024-11-25 02:10:18,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:10:18,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:10:18,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:10:18,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:10:18,294 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:10:18,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-25 02:10:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:18,788 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:10:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:18,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:10:18,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:10:18,865 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-25 02:10:18,865 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 [2024-11-25 02:10:18,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2024-11-25 02:10:19,824 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 16 treesize of output 8 [2024-11-25 02:10:20,699 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 16 treesize of output 13 [2024-11-25 02:10:20,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:10:20,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-25 02:10:34,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:10:34,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 86 states and 93 transitions. [2024-11-25 02:10:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2024-11-25 02:10:34,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:10:34,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:10:34,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:10:34,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:10:34,243 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:10:34,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-25 02:10:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:34,771 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:10:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:34,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:10:34,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:10:34,848 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-25 02:10:34,848 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 [2024-11-25 02:10:34,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2024-11-25 02:10:34,896 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 16 treesize of output 8 [2024-11-25 02:10:34,932 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 16 treesize of output 13 [2024-11-25 02:10:34,942 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:10:34,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-25 02:10:35,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:10:35,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 85 states and 92 transitions. [2024-11-25 02:10:35,010 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2024-11-25 02:10:35,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:10:35,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:10:35,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:10:35,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:10:35,017 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:10:35,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-25 02:10:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:35,546 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:10:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:35,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:10:35,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:10:35,688 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2024-11-25 02:10:35,689 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 16 treesize of output 17 [2024-11-25 02:10:37,471 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2024-11-25 02:10:37,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2024-11-25 02:10:37,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2024-11-25 02:10:37,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-25 02:10:37,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 11 [2024-11-25 02:10:37,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-25 02:10:37,554 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:10:37,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-25 02:10:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:10:47,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 84 states and 91 transitions. [2024-11-25 02:10:47,659 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2024-11-25 02:10:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:10:47,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:10:47,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:10:47,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:10:47,665 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:10:47,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-25 02:10:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:48,168 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:10:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:48,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:10:48,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:10:48,255 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 [2024-11-25 02:10:48,278 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:10:48,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-11-25 02:10:57,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:10:57,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 83 states and 90 transitions. [2024-11-25 02:10:57,709 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2024-11-25 02:10:57,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 02:10:57,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:10:57,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:10:57,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:10:57,711 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:10:57,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-25 02:10:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:58,216 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:10:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:58,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:10:58,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:10:58,313 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 [2024-11-25 02:10:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:10:58,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-25 02:10:58,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:10:58,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 82 states and 89 transitions. [2024-11-25 02:10:58,418 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2024-11-25 02:10:58,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 02:10:58,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:10:58,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:10:58,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:10:58,420 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:10:58,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-25 02:10:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:58,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:10:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:58,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:10:58,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:10:58,972 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:10:58,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-25 02:10:59,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:10:59,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 81 states and 88 transitions. [2024-11-25 02:10:59,026 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2024-11-25 02:10:59,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 02:10:59,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:10:59,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:10:59,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:10:59,029 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:10:59,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-25 02:10:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:59,589 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:10:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:59,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:10:59,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:10:59,680 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2024-11-25 02:10:59,680 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 16 treesize of output 17 [2024-11-25 02:10:59,772 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2024-11-25 02:10:59,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2024-11-25 02:10:59,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2024-11-25 02:10:59,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-25 02:10:59,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 11 [2024-11-25 02:10:59,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-25 02:10:59,884 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:10:59,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-11-25 02:11:20,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:11:20,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 80 states and 87 transitions. [2024-11-25 02:11:20,704 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2024-11-25 02:11:20,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 02:11:20,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:11:20,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:11:20,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:11:20,707 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:11:20,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-25 02:11:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:11:21,306 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:11:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:11:21,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:11:21,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:11:21,436 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2024-11-25 02:11:21,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2024-11-25 02:11:21,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2024-11-25 02:11:21,513 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-25 02:11:21,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2024-11-25 02:11:21,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 17 [2024-11-25 02:11:21,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 15 [2024-11-25 02:11:21,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-25 02:11:21,602 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:11:21,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-25 02:11:30,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:11:30,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2024-11-25 02:11:30,569 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2024-11-25 02:11:30,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 02:11:30,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:11:30,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:11:30,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:11:30,571 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:11:30,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-25 02:11:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:11:31,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:11:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:11:31,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:11:31,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:11:34,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2024-11-25 02:11:34,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-25 02:11:36,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:11:36,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0e6f-5730-4e68-8452-4cad84c2b4e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0