./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9 --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 b63900034700ff8018e29578512f73f88317ae4b603a38b2f2f558c77b57812d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:54:54,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:54:54,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 21:54:54,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:54:54,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:54:54,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:54:54,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:54:54,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:54:54,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:54:54,713 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:54:54,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:54:54,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:54:54,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:54:54,715 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 21:54:54,715 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 21:54:54,716 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 21:54:54,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:54:54,717 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:54:54,717 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:54:54,718 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:54:54,718 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:54:54,719 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:54:54,720 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:54:54,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:54:54,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:54:54,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:54:54,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:54:54,722 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:54:54,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:54:54,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63900034700ff8018e29578512f73f88317ae4b603a38b2f2f558c77b57812d [2023-12-02 21:54:54,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:54:54,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:54:54,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:54:55,000 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:54:55,000 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:54:55,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2023-12-02 21:54:57,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:54:58,042 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:54:58,043 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2023-12-02 21:54:58,058 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/data/04f257381/eea12c9850cc4393a267e67965dbb413/FLAGfd5d2d0c5 [2023-12-02 21:54:58,072 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/data/04f257381/eea12c9850cc4393a267e67965dbb413 [2023-12-02 21:54:58,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:54:58,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:54:58,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:54:58,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:54:58,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:54:58,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:54:58" (1/1) ... [2023-12-02 21:54:58,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510dea50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:58, skipping insertion in model container [2023-12-02 21:54:58,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:54:58" (1/1) ... [2023-12-02 21:54:58,143 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:54:58,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:54:58,493 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:54:58,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:54:58,573 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:54:58,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:58 WrapperNode [2023-12-02 21:54:58,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:54:58,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:54:58,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:54:58,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:54:58,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:58" (1/1) ... [2023-12-02 21:54:58,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:58" (1/1) ... [2023-12-02 21:54:58,629 INFO L138 Inliner]: procedures = 119, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 117 [2023-12-02 21:54:58,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:54:58,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:54:58,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:54:58,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:54:58,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:58" (1/1) ... [2023-12-02 21:54:58,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:58" (1/1) ... [2023-12-02 21:54:58,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:58" (1/1) ... [2023-12-02 21:54:58,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:58" (1/1) ... [2023-12-02 21:54:58,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:58" (1/1) ... [2023-12-02 21:54:58,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:58" (1/1) ... [2023-12-02 21:54:58,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:58" (1/1) ... [2023-12-02 21:54:58,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:58" (1/1) ... [2023-12-02 21:54:58,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:54:58,670 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:54:58,670 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:54:58,670 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:54:58,671 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:58" (1/1) ... [2023-12-02 21:54:58,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:54:58,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:54:58,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:54:58,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:54:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:54:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:54:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 21:54:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:54:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 21:54:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 21:54:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:54:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:54:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:54:58,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:54:58,871 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:54:58,873 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:54:59,202 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:54:59,256 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:54:59,256 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-12-02 21:54:59,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:54:59 BoogieIcfgContainer [2023-12-02 21:54:59,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:54:59,259 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:54:59,259 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:54:59,268 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:54:59,268 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:54:59" (1/1) ... [2023-12-02 21:54:59,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:54:59,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:59,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-12-02 21:54:59,333 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-12-02 21:54:59,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 21:54:59,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:59,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:59,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:54:59,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:59,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-12-02 21:54:59,557 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-12-02 21:54:59,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 21:54:59,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:59,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:59,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:54:59,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:59,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 85 states and 99 transitions. [2023-12-02 21:54:59,747 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2023-12-02 21:54:59,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:54:59,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:59,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:59,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:54:59,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:59,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 84 states and 98 transitions. [2023-12-02 21:54:59,804 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 98 transitions. [2023-12-02 21:54:59,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:54:59,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:59,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:59,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:54:59,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:00,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 83 states and 97 transitions. [2023-12-02 21:55:00,000 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 97 transitions. [2023-12-02 21:55:00,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:55:00,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:00,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:00,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:00,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:00,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 95 transitions. [2023-12-02 21:55:00,217 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2023-12-02 21:55:00,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:55:00,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:00,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:00,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:00,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:00,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 85 states and 100 transitions. [2023-12-02 21:55:00,552 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 100 transitions. [2023-12-02 21:55:00,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:55:00,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:00,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:00,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:00,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:00,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 84 states and 99 transitions. [2023-12-02 21:55:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 99 transitions. [2023-12-02 21:55:00,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:55:00,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:00,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:00,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:00,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:00,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2023-12-02 21:55:00,792 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2023-12-02 21:55:00,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:55:00,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:00,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:00,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:00,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 88 states and 107 transitions. [2023-12-02 21:55:00,972 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 107 transitions. [2023-12-02 21:55:00,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:55:00,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:00,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:01,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 93 states and 117 transitions. [2023-12-02 21:55:01,210 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 117 transitions. [2023-12-02 21:55:01,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:55:01,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:01,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:01,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:01,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:01,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 92 states and 116 transitions. [2023-12-02 21:55:01,262 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 116 transitions. [2023-12-02 21:55:01,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:55:01,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:01,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:01,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:01,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:01,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 91 states and 115 transitions. [2023-12-02 21:55:01,330 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 115 transitions. [2023-12-02 21:55:01,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:55:01,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:01,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:01,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:01,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:01,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 93 states and 118 transitions. [2023-12-02 21:55:01,899 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 118 transitions. [2023-12-02 21:55:01,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:55:01,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:01,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:02,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:02,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:02,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 95 states and 121 transitions. [2023-12-02 21:55:02,724 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 121 transitions. [2023-12-02 21:55:02,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:55:02,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:02,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:02,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:02,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:02,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 94 states and 120 transitions. [2023-12-02 21:55:02,783 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 120 transitions. [2023-12-02 21:55:02,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:55:02,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:02,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:02,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:03,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:03,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 93 states and 119 transitions. [2023-12-02 21:55:03,221 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 119 transitions. [2023-12-02 21:55:03,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:55:03,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:03,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:03,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:03,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:03,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 92 states and 118 transitions. [2023-12-02 21:55:03,287 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 118 transitions. [2023-12-02 21:55:03,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:55:03,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:03,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:03,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:03,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 93 states and 120 transitions. [2023-12-02 21:55:03,621 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2023-12-02 21:55:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:55:03,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:03,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:03,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:03,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:03,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 94 states and 122 transitions. [2023-12-02 21:55:03,662 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2023-12-02 21:55:03,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:55:03,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:03,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:03,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:03,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:03,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 123 transitions. [2023-12-02 21:55:03,710 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2023-12-02 21:55:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:55:03,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:03,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:04,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:04,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:04,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 98 states and 130 transitions. [2023-12-02 21:55:04,540 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2023-12-02 21:55:04,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:55:04,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:04,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:04,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:04,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 98 states and 129 transitions. [2023-12-02 21:55:04,675 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 129 transitions. [2023-12-02 21:55:04,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:55:04,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:04,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:04,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:04,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:04,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 96 states and 126 transitions. [2023-12-02 21:55:04,701 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 126 transitions. [2023-12-02 21:55:04,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:55:04,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:04,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:04,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:04,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:04,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 94 states and 124 transitions. [2023-12-02 21:55:04,749 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 124 transitions. [2023-12-02 21:55:04,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:55:04,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:04,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:04,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:04,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:04,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 93 states and 123 transitions. [2023-12-02 21:55:04,790 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 123 transitions. [2023-12-02 21:55:04,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:55:04,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:04,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:04,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:04,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 92 states and 122 transitions. [2023-12-02 21:55:04,835 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 122 transitions. [2023-12-02 21:55:04,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:55:04,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:04,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:04,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:04,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:04,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 94 states and 125 transitions. [2023-12-02 21:55:04,900 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 125 transitions. [2023-12-02 21:55:04,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:55:04,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:04,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:04,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:05,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:05,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 96 states and 129 transitions. [2023-12-02 21:55:05,121 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 129 transitions. [2023-12-02 21:55:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:55:05,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:05,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:05,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:05,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:05,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 95 states and 128 transitions. [2023-12-02 21:55:05,165 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 128 transitions. [2023-12-02 21:55:05,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:55:05,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:05,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:05,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:05,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:05,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 99 states and 134 transitions. [2023-12-02 21:55:05,550 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 134 transitions. [2023-12-02 21:55:05,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:55:05,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:05,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:07,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:07,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 105 states and 144 transitions. [2023-12-02 21:55:07,032 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2023-12-02 21:55:07,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:55:07,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:07,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:07,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:07,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:07,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 108 states and 154 transitions. [2023-12-02 21:55:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2023-12-02 21:55:07,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:55:07,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:07,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:07,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:07,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:07,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 107 states and 153 transitions. [2023-12-02 21:55:07,468 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2023-12-02 21:55:07,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:55:07,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:07,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:07,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:07,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:07,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 108 states and 154 transitions. [2023-12-02 21:55:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2023-12-02 21:55:07,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:55:07,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:07,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:07,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:07,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:07,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 110 states and 159 transitions. [2023-12-02 21:55:07,897 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 159 transitions. [2023-12-02 21:55:07,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:55:07,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:07,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:07,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:08,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:08,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 110 states and 158 transitions. [2023-12-02 21:55:08,018 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2023-12-02 21:55:08,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:55:08,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:08,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:08,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:08,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:08,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 111 states and 160 transitions. [2023-12-02 21:55:08,058 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2023-12-02 21:55:08,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:55:08,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:08,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:08,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:08,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 112 states and 163 transitions. [2023-12-02 21:55:08,121 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 163 transitions. [2023-12-02 21:55:08,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:55:08,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:08,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:08,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:09,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:09,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 118 states and 174 transitions. [2023-12-02 21:55:09,138 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 174 transitions. [2023-12-02 21:55:09,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:55:09,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:09,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:09,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:10,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:10,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 124 states and 185 transitions. [2023-12-02 21:55:10,599 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 185 transitions. [2023-12-02 21:55:10,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:55:10,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:10,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:10,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:12,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:12,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 130 states and 199 transitions. [2023-12-02 21:55:12,395 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 199 transitions. [2023-12-02 21:55:12,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:55:12,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:12,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:12,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:15,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:15,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 139 states and 221 transitions. [2023-12-02 21:55:15,122 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 221 transitions. [2023-12-02 21:55:15,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:55:15,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:15,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:15,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:15,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:15,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 141 states and 224 transitions. [2023-12-02 21:55:15,551 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 224 transitions. [2023-12-02 21:55:15,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:55:15,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:15,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:15,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:15,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:15,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 143 states and 227 transitions. [2023-12-02 21:55:15,959 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 227 transitions. [2023-12-02 21:55:15,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:55:15,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:15,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:55:17,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:17,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 137 states and 207 transitions. [2023-12-02 21:55:17,361 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 207 transitions. [2023-12-02 21:55:17,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:55:17,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:17,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:17,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:55:17,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:17,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 133 states and 203 transitions. [2023-12-02 21:55:17,817 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 203 transitions. [2023-12-02 21:55:17,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:55:17,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:17,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:17,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:19,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:19,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 139 states and 215 transitions. [2023-12-02 21:55:19,316 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 215 transitions. [2023-12-02 21:55:19,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:55:19,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:19,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:19,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:21,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:21,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 147 states and 229 transitions. [2023-12-02 21:55:21,343 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 229 transitions. [2023-12-02 21:55:21,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:55:21,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:21,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:21,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:21,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:21,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 150 states and 235 transitions. [2023-12-02 21:55:21,456 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 235 transitions. [2023-12-02 21:55:21,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:55:21,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:21,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:21,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:21,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:21,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 153 states and 241 transitions. [2023-12-02 21:55:21,679 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 241 transitions. [2023-12-02 21:55:21,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:55:21,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:21,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:22,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:26,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:26,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 164 states and 265 transitions. [2023-12-02 21:55:26,035 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 265 transitions. [2023-12-02 21:55:26,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:55:26,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:26,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:26,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:26,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:26,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 166 states and 273 transitions. [2023-12-02 21:55:26,591 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 273 transitions. [2023-12-02 21:55:26,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:55:26,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:26,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:26,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:27,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:27,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 166 states and 271 transitions. [2023-12-02 21:55:27,009 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 271 transitions. [2023-12-02 21:55:27,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:55:27,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:27,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:27,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:27,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:27,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 167 states and 278 transitions. [2023-12-02 21:55:27,225 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 278 transitions. [2023-12-02 21:55:27,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:55:27,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:27,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:27,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:27,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 168 states and 279 transitions. [2023-12-02 21:55:27,267 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 279 transitions. [2023-12-02 21:55:27,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:55:27,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:27,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:27,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:27,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:27,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 170 states and 287 transitions. [2023-12-02 21:55:27,967 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 287 transitions. [2023-12-02 21:55:27,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:55:27,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:27,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:28,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:55:31,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:31,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 173 states and 295 transitions. [2023-12-02 21:55:31,627 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 295 transitions. [2023-12-02 21:55:31,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:55:31,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:31,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:31,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:31,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:31,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 172 states and 294 transitions. [2023-12-02 21:55:31,931 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 294 transitions. [2023-12-02 21:55:31,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:55:31,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:31,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:32,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:32,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:32,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 171 states and 293 transitions. [2023-12-02 21:55:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 293 transitions. [2023-12-02 21:55:32,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:55:32,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:32,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:33,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:36,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:36,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 175 states and 309 transitions. [2023-12-02 21:55:36,082 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 309 transitions. [2023-12-02 21:55:36,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:55:36,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:36,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:36,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:36,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:36,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 176 states and 310 transitions. [2023-12-02 21:55:36,776 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 310 transitions. [2023-12-02 21:55:36,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:55:36,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:36,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:36,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:37,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:37,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 177 states and 311 transitions. [2023-12-02 21:55:37,505 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 311 transitions. [2023-12-02 21:55:37,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:55:37,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:37,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:37,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:38,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:38,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 179 states and 318 transitions. [2023-12-02 21:55:38,873 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 318 transitions. [2023-12-02 21:55:38,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:55:38,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:38,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:38,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:40,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 181 states and 325 transitions. [2023-12-02 21:55:40,150 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 325 transitions. [2023-12-02 21:55:40,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:55:40,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:40,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:41,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:46,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:46,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 192 states and 357 transitions. [2023-12-02 21:55:46,711 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 357 transitions. [2023-12-02 21:55:46,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:55:46,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:46,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:47,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:53,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:53,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 202 states and 388 transitions. [2023-12-02 21:55:53,660 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 388 transitions. [2023-12-02 21:55:53,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:55:53,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:53,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:53,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:54,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 204 states and 391 transitions. [2023-12-02 21:55:54,533 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 391 transitions. [2023-12-02 21:55:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:55:54,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:54,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:55,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:58,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:58,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 208 states and 405 transitions. [2023-12-02 21:55:58,532 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 405 transitions. [2023-12-02 21:55:58,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:55:58,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:58,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:59,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:56:03,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 214 states and 413 transitions. [2023-12-02 21:56:03,072 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 413 transitions. [2023-12-02 21:56:03,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:56:03,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:03,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:04,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:56:11,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:11,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 223 states and 439 transitions. [2023-12-02 21:56:11,213 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 439 transitions. [2023-12-02 21:56:11,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:56:11,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:11,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:11,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:56:12,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:12,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 225 states and 441 transitions. [2023-12-02 21:56:12,696 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 441 transitions. [2023-12-02 21:56:12,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:56:12,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:12,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:56:17,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:17,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 230 states and 454 transitions. [2023-12-02 21:56:17,108 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 454 transitions. [2023-12-02 21:56:17,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:56:17,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:17,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:17,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:56:18,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:18,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 232 states and 461 transitions. [2023-12-02 21:56:18,931 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 461 transitions. [2023-12-02 21:56:18,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:56:18,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:18,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:56:18,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:18,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 229 states and 453 transitions. [2023-12-02 21:56:18,967 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 453 transitions. [2023-12-02 21:56:18,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:56:18,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:18,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:20,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:56:31,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:31,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 241 states and 486 transitions. [2023-12-02 21:56:31,777 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 486 transitions. [2023-12-02 21:56:31,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:56:31,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:31,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:33,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:56:45,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:45,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 251 states and 508 transitions. [2023-12-02 21:56:45,220 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 508 transitions. [2023-12-02 21:56:45,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:56:45,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:45,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:46,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:56:48,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:48,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 252 states and 509 transitions. [2023-12-02 21:56:48,770 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 509 transitions. [2023-12-02 21:56:48,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:56:48,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:48,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:56:53,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:53,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 259 states and 533 transitions. [2023-12-02 21:56:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 533 transitions. [2023-12-02 21:56:53,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:56:53,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:53,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:53,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:56:56,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:56,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 265 states and 552 transitions. [2023-12-02 21:56:56,454 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 552 transitions. [2023-12-02 21:56:56,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:56:56,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:56,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:56:59,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:59,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 269 states and 564 transitions. [2023-12-02 21:56:59,889 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 564 transitions. [2023-12-02 21:56:59,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:56:59,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:59,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:59,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:04,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:04,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 276 states and 578 transitions. [2023-12-02 21:57:04,243 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 578 transitions. [2023-12-02 21:57:04,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:57:04,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:04,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:04,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:08,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:08,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 280 states and 590 transitions. [2023-12-02 21:57:08,225 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 590 transitions. [2023-12-02 21:57:08,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:57:08,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:08,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:08,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:09,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:09,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 281 states and 595 transitions. [2023-12-02 21:57:09,156 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 595 transitions. [2023-12-02 21:57:09,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:57:09,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:09,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:11,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:11,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 286 states and 611 transitions. [2023-12-02 21:57:11,861 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 611 transitions. [2023-12-02 21:57:11,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:57:11,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:11,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:11,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:17,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:17,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 291 states and 631 transitions. [2023-12-02 21:57:17,564 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 631 transitions. [2023-12-02 21:57:17,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:57:17,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:17,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:17,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:19,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:19,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 293 states and 638 transitions. [2023-12-02 21:57:19,950 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 638 transitions. [2023-12-02 21:57:19,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:57:19,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:19,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:20,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:22,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:22,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 295 states and 644 transitions. [2023-12-02 21:57:22,194 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 644 transitions. [2023-12-02 21:57:22,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:57:22,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:22,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:22,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:23,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:23,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 296 states and 649 transitions. [2023-12-02 21:57:23,107 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 649 transitions. [2023-12-02 21:57:23,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:57:23,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:23,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:23,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:25,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:25,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 298 states and 651 transitions. [2023-12-02 21:57:25,145 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 651 transitions. [2023-12-02 21:57:25,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:57:25,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:25,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:25,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:26,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:26,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 299 states and 654 transitions. [2023-12-02 21:57:26,426 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 654 transitions. [2023-12-02 21:57:26,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:57:26,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:26,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:57:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:35,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 306 states and 676 transitions. [2023-12-02 21:57:35,459 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 676 transitions. [2023-12-02 21:57:35,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:57:35,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:35,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:35,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:57:43,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:43,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 313 states and 692 transitions. [2023-12-02 21:57:43,462 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 692 transitions. [2023-12-02 21:57:43,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:57:43,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:43,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:43,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:57:56,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:56,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 321 states and 712 transitions. [2023-12-02 21:57:56,791 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 712 transitions. [2023-12-02 21:57:56,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:57:56,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:56,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:56,842 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:57:59,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:59,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 323 states and 715 transitions. [2023-12-02 21:57:59,295 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 715 transitions. [2023-12-02 21:57:59,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:57:59,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:59,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:00,185 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:58:02,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:02,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 324 states and 720 transitions. [2023-12-02 21:58:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 720 transitions. [2023-12-02 21:58:02,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:58:02,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:02,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:58:05,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 326 states and 722 transitions. [2023-12-02 21:58:05,120 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 722 transitions. [2023-12-02 21:58:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:58:05,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:05,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:05,173 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:58:06,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:06,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 327 states and 724 transitions. [2023-12-02 21:58:06,459 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 724 transitions. [2023-12-02 21:58:06,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:58:06,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:06,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:06,511 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:58:08,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:08,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 329 states and 726 transitions. [2023-12-02 21:58:08,843 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 726 transitions. [2023-12-02 21:58:08,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:58:08,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:08,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:08,897 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:58:09,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:09,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 331 states and 728 transitions. [2023-12-02 21:58:09,942 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 728 transitions. [2023-12-02 21:58:09,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:58:09,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:09,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:10,032 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:58:12,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:12,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 333 states and 729 transitions. [2023-12-02 21:58:12,687 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 729 transitions. [2023-12-02 21:58:12,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:58:12,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:12,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:12,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:58:17,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:17,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 339 states and 746 transitions. [2023-12-02 21:58:17,436 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 746 transitions. [2023-12-02 21:58:17,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:58:17,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:17,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:20,785 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:58:34,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:34,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 349 states and 766 transitions. [2023-12-02 21:58:34,604 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 766 transitions. [2023-12-02 21:58:34,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:58:34,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:34,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:34,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:58:37,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:37,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 352 states and 774 transitions. [2023-12-02 21:58:37,826 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 774 transitions. [2023-12-02 21:58:37,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:58:37,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:37,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:37,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:58:41,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:41,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 355 states and 782 transitions. [2023-12-02 21:58:41,493 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 782 transitions. [2023-12-02 21:58:41,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:58:41,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:41,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:41,674 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:58:44,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:44,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 357 states and 790 transitions. [2023-12-02 21:58:44,751 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 790 transitions. [2023-12-02 21:58:44,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:58:44,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:44,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:45,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:59:09,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:09,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 376 states and 838 transitions. [2023-12-02 21:59:09,399 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 838 transitions. [2023-12-02 21:59:09,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:59:09,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:09,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:09,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:59:15,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:15,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 380 states and 849 transitions. [2023-12-02 21:59:15,268 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 849 transitions. [2023-12-02 21:59:15,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:59:15,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:15,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:59:16,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:16,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 381 states and 856 transitions. [2023-12-02 21:59:16,995 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 856 transitions. [2023-12-02 21:59:16,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:59:16,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:16,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:17,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:59:18,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:18,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 382 states and 863 transitions. [2023-12-02 21:59:18,510 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 863 transitions. [2023-12-02 21:59:18,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:59:18,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:18,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:18,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:59:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:37,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 390 states and 883 transitions. [2023-12-02 21:59:37,538 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 883 transitions. [2023-12-02 21:59:37,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:59:37,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:37,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:37,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:59:38,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:38,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 390 states and 882 transitions. [2023-12-02 21:59:38,466 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 882 transitions. [2023-12-02 21:59:38,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:59:38,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:38,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:38,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:59:43,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:43,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 393 states and 888 transitions. [2023-12-02 21:59:43,859 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 888 transitions. [2023-12-02 21:59:43,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:59:43,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:43,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:43,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:59:45,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:45,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 396 states and 894 transitions. [2023-12-02 21:59:45,385 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 894 transitions. [2023-12-02 21:59:45,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:59:45,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:45,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:47,036 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:00:02,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:02,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 406 states and 923 transitions. [2023-12-02 22:00:02,930 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 923 transitions. [2023-12-02 22:00:02,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 22:00:02,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:02,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:03,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:00:14,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:14,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 414 states and 942 transitions. [2023-12-02 22:00:14,641 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 942 transitions. [2023-12-02 22:00:14,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:00:14,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:14,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:14,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:00:19,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:19,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 417 states and 950 transitions. [2023-12-02 22:00:19,327 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 950 transitions. [2023-12-02 22:00:19,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:00:19,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:19,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:22,900 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:00:36,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:36,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 425 states and 972 transitions. [2023-12-02 22:00:36,199 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 972 transitions. [2023-12-02 22:00:36,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:00:36,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:36,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:00:52,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:52,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 431 states and 991 transitions. [2023-12-02 22:00:52,867 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 991 transitions. [2023-12-02 22:00:52,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 22:00:52,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:52,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:52,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:01:02,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:02,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 435 states and 1005 transitions. [2023-12-02 22:01:02,195 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 1005 transitions. [2023-12-02 22:01:02,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 22:01:02,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:02,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:04,292 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:01:12,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:12,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 439 states and 1015 transitions. [2023-12-02 22:01:12,668 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 1015 transitions. [2023-12-02 22:01:12,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 22:01:12,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:12,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:13,097 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:01:22,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:22,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 447 states and 1037 transitions. [2023-12-02 22:01:22,610 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1037 transitions. [2023-12-02 22:01:22,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 22:01:22,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:22,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:23,995 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:01:37,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 456 states and 1057 transitions. [2023-12-02 22:01:37,431 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 1057 transitions. [2023-12-02 22:01:37,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 22:01:37,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:37,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:40,069 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:01:48,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:48,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 462 states and 1072 transitions. [2023-12-02 22:01:48,660 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 1072 transitions. [2023-12-02 22:01:48,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 22:01:48,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:48,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:49,791 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:01:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 464 states and 1074 transitions. [2023-12-02 22:01:51,980 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1074 transitions. [2023-12-02 22:01:51,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 22:01:51,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:51,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:52,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:08,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:08,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 472 states and 1099 transitions. [2023-12-02 22:02:08,788 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 1099 transitions. [2023-12-02 22:02:08,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 22:02:08,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:08,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:08,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:11,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:11,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 474 states and 1109 transitions. [2023-12-02 22:02:11,517 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1109 transitions. [2023-12-02 22:02:11,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 22:02:11,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:11,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:02:11,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:02:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:02:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:02:11,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:02:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:02:11,714 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 127 iterations. [2023-12-02 22:02:11,738 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem9 [2023-12-02 22:02:11,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated [2023-12-02 22:02:11,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:02:11 ImpRootNode [2023-12-02 22:02:11,746 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:02:11,747 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:02:11,747 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:02:11,747 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:02:11,747 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:54:59" (3/4) ... [2023-12-02 22:02:11,749 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:02:11,750 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:02:11,750 INFO L158 Benchmark]: Toolchain (without parser) took 433674.11ms. Allocated memory was 151.0MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 108.4MB in the beginning and 1.1GB in the end (delta: -979.1MB). Peak memory consumption was 865.1MB. Max. memory is 16.1GB. [2023-12-02 22:02:11,750 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:02:11,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.67ms. Allocated memory is still 151.0MB. Free memory was 108.4MB in the beginning and 109.4MB in the end (delta: -1.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 22:02:11,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.81ms. Allocated memory is still 151.0MB. Free memory was 109.4MB in the beginning and 107.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:02:11,752 INFO L158 Benchmark]: Boogie Preprocessor took 38.78ms. Allocated memory is still 151.0MB. Free memory was 107.9MB in the beginning and 105.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:02:11,752 INFO L158 Benchmark]: RCFGBuilder took 588.43ms. Allocated memory is still 151.0MB. Free memory was 105.9MB in the beginning and 79.3MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 22:02:11,753 INFO L158 Benchmark]: CodeCheck took 432487.17ms. Allocated memory was 151.0MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 79.3MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 836.9MB. Max. memory is 16.1GB. [2023-12-02 22:02:11,753 INFO L158 Benchmark]: Witness Printer took 2.91ms. Allocated memory is still 2.0GB. Free memory is still 1.1GB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:02:11,755 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, 87 locations, 45 error locations. Started 1 CEGAR loops. OverallTime: 432.4s, OverallIterations: 127, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38971 SdHoareTripleChecker+Valid, 231.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34529 mSDsluCounter, 38574 SdHoareTripleChecker+Invalid, 204.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34613 mSDsCounter, 41087 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 151585 IncrementalHoareTripleChecker+Invalid, 192672 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41087 mSolverCounterUnsat, 3961 mSDtfsCounter, 151585 mSolverCounterSat, 3.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20634 GetRequests, 18505 SyntacticMatches, 595 SemanticMatches, 1534 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1224619 ImplicationChecksByTransitivity, 413.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 42.1s InterpolantComputationTime, 2083 NumberOfCodeBlocks, 2083 NumberOfCodeBlocksAsserted, 127 NumberOfCheckSat, 1932 ConstructedInterpolants, 0 QuantifiedInterpolants, 13054 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 126 InterpolantComputations, 90 PerfectInterpolantSequences, 65/230 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 996]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 996. Possible FailurePath: [L999] SLL* head = malloc(sizeof(SLL)); [L1000] head->next = ((void*)0) VAL [head={-2:0}] [L1001] head->data = 0 [L1003] SLL* x = head; VAL [head={-2:0}, x={-2:0}] [L1006] COND FALSE !(__VERIFIER_nondet_int()) [L1016] COND FALSE !(__VERIFIER_nondet_int()) [L1025] EXPR x = head VAL [head={-2:0}, x={-2:0}] [L1026] EXPR x->next VAL [head={-2:0}, x={-2:0}] [L1026] COND FALSE, EXPR !(x->next) [L1033] EXPR x->next [L1033] SLL* y = x->next; [L1034] EXPR x->next = malloc(sizeof(SLL)) [L1035] EXPR x->data = 1 VAL [head={-2:0}, x={-2:0}, y={0:0}] [L1036] EXPR x->next = y [L1023-L1037] { x = head; while (x->next) { if (__VERIFIER_nondet_int()) break; x = x->next; } SLL* y = x->next; x->next = malloc(sizeof(SLL)); x->data = 1; x->next = y; } VAL [head={-2:0}, x={-2:0}] [L1040] x = head VAL [head={-2:0}, x={-2:0}] [L1043] EXPR x->data VAL [head={-2:0}, x={-2:0}] [L1043] COND FALSE !(x->data != 1) [L1049] EXPR x->next [L1049] x = x->next [L1050] COND FALSE !(\read(*x)) [L1058] x = head VAL [head={-2:0}, x={-2:0}] [L1059] COND TRUE x != ((void*)0) [L1061] head = x VAL [head={-2:0}, x={-2:0}] [L1062] EXPR x->next [L1062] x = x->next [L1063] free(head) VAL [head={-2:0}, x={0:0}] [L1063] free(head) VAL [head={-2:0}, x={0:0}] [L1063] free(head) [L1059] COND FALSE !(x != ((void*)0)) [L1066] return 0; VAL [\result=0, head={-2:0}, x={0:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.67ms. Allocated memory is still 151.0MB. Free memory was 108.4MB in the beginning and 109.4MB in the end (delta: -1.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.81ms. Allocated memory is still 151.0MB. Free memory was 109.4MB in the beginning and 107.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.78ms. Allocated memory is still 151.0MB. Free memory was 107.9MB in the beginning and 105.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 588.43ms. Allocated memory is still 151.0MB. Free memory was 105.9MB in the beginning and 79.3MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 432487.17ms. Allocated memory was 151.0MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 79.3MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 836.9MB. Max. memory is 16.1GB. * Witness Printer took 2.91ms. Allocated memory is still 2.0GB. Free memory is still 1.1GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem9 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:02:11,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9 --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 b63900034700ff8018e29578512f73f88317ae4b603a38b2f2f558c77b57812d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:02:13,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:02:13,868 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-02 22:02:13,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:02:13,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:02:13,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:02:13,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:02:13,904 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:02:13,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:02:13,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:02:13,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:02:13,906 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 22:02:13,907 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 22:02:13,907 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 22:02:13,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:02:13,909 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:02:13,909 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:02:13,910 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:02:13,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:02:13,911 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:02:13,911 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:02:13,912 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:02:13,913 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:02:13,913 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:02:13,914 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:13,914 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:02:13,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:02:13,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:02:13,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:02:13,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:02:13,917 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:02:13,917 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:13,917 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:02:13,918 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:02:13,918 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63900034700ff8018e29578512f73f88317ae4b603a38b2f2f558c77b57812d [2023-12-02 22:02:14,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:02:14,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:02:14,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:02:14,259 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:02:14,259 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:02:14,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2023-12-02 22:02:17,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:02:17,289 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:02:17,289 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2023-12-02 22:02:17,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/data/30e7b2359/9ba1f03003ed4c8e9c0d63a8cf979c82/FLAGdba54d9f3 [2023-12-02 22:02:17,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/data/30e7b2359/9ba1f03003ed4c8e9c0d63a8cf979c82 [2023-12-02 22:02:17,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:02:17,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:02:17,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:02:17,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:02:17,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:02:17,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:02:17" (1/1) ... [2023-12-02 22:02:17,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c094b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:17, skipping insertion in model container [2023-12-02 22:02:17,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:02:17" (1/1) ... [2023-12-02 22:02:17,386 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:02:17,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:02:17,690 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:02:17,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:02:17,765 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:02:17,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:17 WrapperNode [2023-12-02 22:02:17,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:02:17,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:02:17,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:02:17,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:02:17,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:17" (1/1) ... [2023-12-02 22:02:17,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:17" (1/1) ... [2023-12-02 22:02:17,817 INFO L138 Inliner]: procedures = 122, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 115 [2023-12-02 22:02:17,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:02:17,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:02:17,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:02:17,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:02:17,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:17" (1/1) ... [2023-12-02 22:02:17,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:17" (1/1) ... [2023-12-02 22:02:17,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:17" (1/1) ... [2023-12-02 22:02:17,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:17" (1/1) ... [2023-12-02 22:02:17,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:17" (1/1) ... [2023-12-02 22:02:17,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:17" (1/1) ... [2023-12-02 22:02:17,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:17" (1/1) ... [2023-12-02 22:02:17,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:17" (1/1) ... [2023-12-02 22:02:17,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:02:17,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:02:17,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:02:17,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:02:17,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:17" (1/1) ... [2023-12-02 22:02:17,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:02:17,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:02:17,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:02:17,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:02:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:02:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:02:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:02:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:02:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:02:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:02:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:02:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:02:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:02:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:02:18,083 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:02:18,084 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:02:18,540 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:02:18,592 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:02:18,592 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-12-02 22:02:18,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:02:18 BoogieIcfgContainer [2023-12-02 22:02:18,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:02:18,595 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:02:18,595 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:02:18,603 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:02:18,603 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:02:18" (1/1) ... [2023-12-02 22:02:18,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:02:18,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:18,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-12-02 22:02:18,657 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-12-02 22:02:18,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 22:02:18,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:18,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:18,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:18,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:18,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:02:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:18,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:18,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:02:18,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:18,813 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 [2023-12-02 22:02:18,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:18,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:02:18,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:18,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-12-02 22:02:18,867 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-12-02 22:02:18,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 22:02:18,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:18,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:18,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:18,869 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:18,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:02:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:18,968 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:18,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:02:18,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:18,993 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 [2023-12-02 22:02:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:19,009 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:02:19,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-02 22:02:19,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:19,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 85 states and 99 transitions. [2023-12-02 22:02:19,118 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2023-12-02 22:02:19,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 22:02:19,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:19,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:19,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:19,120 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:19,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:02:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:19,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:19,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:02:19,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:19,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:19,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 22:02:19,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:19,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 84 states and 98 transitions. [2023-12-02 22:02:19,254 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 98 transitions. [2023-12-02 22:02:19,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 22:02:19,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:19,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:19,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:19,255 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:19,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:02:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:19,332 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:19,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:02:19,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:19,361 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 [2023-12-02 22:02:19,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:19,375 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:02:19,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:02:19,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:19,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 83 states and 97 transitions. [2023-12-02 22:02:19,425 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 97 transitions. [2023-12-02 22:02:19,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:02:19,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:19,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:19,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:19,429 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:19,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:02:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:19,529 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:19,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 22:02:19,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:19,565 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 [2023-12-02 22:02:19,625 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-12-02 22:02:19,626 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 [2023-12-02 22:02:19,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:19,636 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:02:19,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:02:19,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:19,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 95 transitions. [2023-12-02 22:02:19,728 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2023-12-02 22:02:19,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:02:19,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:19,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:19,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:19,729 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:19,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:02:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:19,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:19,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:02:19,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:19,887 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 [2023-12-02 22:02:19,893 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 [2023-12-02 22:02:20,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:02:20,002 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 [2023-12-02 22:02:20,015 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-02 22:02:20,015 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 [2023-12-02 22:02:20,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:20,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 22:02:20,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:20,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 85 states and 100 transitions. [2023-12-02 22:02:20,241 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 100 transitions. [2023-12-02 22:02:20,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:02:20,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:20,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:20,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:20,244 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:20,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:02:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:20,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:20,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:02:20,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:20,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:20,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 22:02:20,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:20,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 84 states and 99 transitions. [2023-12-02 22:02:20,464 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 99 transitions. [2023-12-02 22:02:20,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:02:20,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:20,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:20,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:20,467 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:20,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 22:02:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:20,558 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:20,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:02:20,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:20,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:20,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 22:02:21,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:21,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2023-12-02 22:02:21,009 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2023-12-02 22:02:21,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:02:21,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:21,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:21,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:21,011 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:21,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 22:02:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:21,098 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:21,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:02:21,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:21,121 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 [2023-12-02 22:02:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:21,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 22:02:21,140 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:02:21,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:21,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 88 states and 107 transitions. [2023-12-02 22:02:21,308 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 107 transitions. [2023-12-02 22:02:21,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:02:21,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:21,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:21,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:21,310 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:21,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 22:02:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:21,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:21,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 22:02:21,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:21,440 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 [2023-12-02 22:02:21,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:21,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 22:02:21,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:21,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 93 states and 117 transitions. [2023-12-02 22:02:21,726 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 117 transitions. [2023-12-02 22:02:21,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:02:21,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:21,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:21,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:21,727 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:21,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 22:02:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:21,823 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:21,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:02:21,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:21,852 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 [2023-12-02 22:02:21,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:21,856 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:02:21,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 22:02:21,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:21,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 92 states and 116 transitions. [2023-12-02 22:02:21,893 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 116 transitions. [2023-12-02 22:02:21,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:02:21,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:21,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:21,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:21,895 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:21,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 22:02:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:22,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:22,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:02:22,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:22,046 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 [2023-12-02 22:02:22,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:22,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-12-02 22:02:22,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:22,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 91 states and 115 transitions. [2023-12-02 22:02:22,087 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 115 transitions. [2023-12-02 22:02:22,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:02:22,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:22,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:22,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:22,090 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:22,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 22:02:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:22,205 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:22,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 22:02:22,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:22,243 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 [2023-12-02 22:02:22,293 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 [2023-12-02 22:02:22,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-12-02 22:02:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:22,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 22:02:23,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:23,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 93 states and 118 transitions. [2023-12-02 22:02:23,069 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 118 transitions. [2023-12-02 22:02:23,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:02:23,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:23,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:23,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:23,070 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:23,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 22:02:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:23,180 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:23,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 22:02:23,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:23,215 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 [2023-12-02 22:02:23,290 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 [2023-12-02 22:02:23,298 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 [2023-12-02 22:02:23,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-02 22:02:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:23,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 22:02:24,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:24,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 95 states and 121 transitions. [2023-12-02 22:02:24,352 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 121 transitions. [2023-12-02 22:02:24,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:02:24,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:24,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:24,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:24,354 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:24,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 22:02:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:24,448 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:24,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:02:24,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:24,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:24,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 22:02:24,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:24,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 94 states and 120 transitions. [2023-12-02 22:02:24,511 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 120 transitions. [2023-12-02 22:02:24,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:02:24,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:24,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:24,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:24,513 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:24,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 22:02:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:24,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:24,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:02:24,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:24,645 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 [2023-12-02 22:02:24,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:24,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 22:02:24,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:24,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 93 states and 119 transitions. [2023-12-02 22:02:24,701 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 119 transitions. [2023-12-02 22:02:24,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:02:24,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:24,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:24,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:24,703 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:24,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 22:02:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:24,800 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:24,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:02:24,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:24,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:24,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-02 22:02:24,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:24,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 92 states and 118 transitions. [2023-12-02 22:02:24,880 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 118 transitions. [2023-12-02 22:02:24,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:02:24,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:24,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:24,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:24,881 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:24,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 22:02:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:25,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:25,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 22:02:25,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:25,052 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 [2023-12-02 22:02:25,066 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 [2023-12-02 22:02:25,070 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 [2023-12-02 22:02:25,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-02 22:02:25,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:25,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 22:02:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:25,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 81 states and 101 transitions. [2023-12-02 22:02:25,167 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 101 transitions. [2023-12-02 22:02:25,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:02:25,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:25,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:25,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:25,169 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:25,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 22:02:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:25,280 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:25,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:02:25,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:25,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:25,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 22:02:25,314 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:02:25,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:25,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 82 states and 103 transitions. [2023-12-02 22:02:25,340 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 103 transitions. [2023-12-02 22:02:25,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:02:25,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:25,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:25,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:25,342 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:25,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 22:02:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:25,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:25,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:02:25,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:25,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:25,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 22:02:25,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:25,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 83 states and 104 transitions. [2023-12-02 22:02:25,524 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 104 transitions. [2023-12-02 22:02:25,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:02:25,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:25,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:25,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:25,526 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:25,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 22:02:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:25,695 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:25,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:02:25,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:25,732 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 [2023-12-02 22:02:25,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:02:25,827 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 [2023-12-02 22:02:25,838 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-02 22:02:25,839 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 [2023-12-02 22:02:25,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:25,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 22:02:26,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:26,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 86 states and 110 transitions. [2023-12-02 22:02:26,182 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2023-12-02 22:02:26,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:02:26,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:26,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:26,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:26,183 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:26,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 22:02:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:26,317 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:26,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 22:02:26,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:26,377 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-12-02 22:02:26,377 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 [2023-12-02 22:02:26,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:26,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 22:02:26,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:26,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 86 states and 109 transitions. [2023-12-02 22:02:26,494 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2023-12-02 22:02:26,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:02:26,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:26,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:26,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:26,496 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:26,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 22:02:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:26,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:26,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:02:26,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:26,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:26,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 22:02:26,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:26,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 84 states and 106 transitions. [2023-12-02 22:02:26,661 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 106 transitions. [2023-12-02 22:02:26,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:02:26,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:26,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:26,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:26,663 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:26,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 22:02:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:26,765 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:26,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:02:26,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:26,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:26,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-02 22:02:26,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:26,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 82 states and 104 transitions. [2023-12-02 22:02:26,820 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2023-12-02 22:02:26,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:02:26,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:26,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:26,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:26,822 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:26,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 22:02:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:26,940 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:26,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:02:26,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:26,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:26,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 22:02:26,971 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:02:27,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:27,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 81 states and 103 transitions. [2023-12-02 22:02:27,008 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 103 transitions. [2023-12-02 22:02:27,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:02:27,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:27,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:27,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:27,010 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:27,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 22:02:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:27,137 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:27,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:02:27,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:27,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:27,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 22:02:27,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:27,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 80 states and 102 transitions. [2023-12-02 22:02:27,208 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 102 transitions. [2023-12-02 22:02:27,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:02:27,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:27,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:27,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:27,210 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:27,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 22:02:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:27,394 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:27,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:02:27,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:27,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:27,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 22:02:27,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:27,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 82 states and 105 transitions. [2023-12-02 22:02:27,496 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2023-12-02 22:02:27,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:02:27,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:27,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:27,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:27,497 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:27,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 22:02:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:27,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:27,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 22:02:27,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:27,683 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 [2023-12-02 22:02:27,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:27,707 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:02:27,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 22:02:27,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:27,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 84 states and 109 transitions. [2023-12-02 22:02:27,762 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2023-12-02 22:02:27,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:02:27,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:27,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:27,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:27,764 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:27,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 22:02:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:27,889 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:27,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:02:27,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:27,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 22:02:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:27,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 83 states and 108 transitions. [2023-12-02 22:02:27,948 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 108 transitions. [2023-12-02 22:02:27,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:02:27,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:27,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:27,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:27,950 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:27,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 22:02:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:28,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:28,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 22:02:28,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:28,156 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 [2023-12-02 22:02:28,162 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 [2023-12-02 22:02:28,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:02:28,239 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 [2023-12-02 22:02:28,249 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-02 22:02:28,249 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 [2023-12-02 22:02:28,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:28,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 22:02:28,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:28,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 84 states and 109 transitions. [2023-12-02 22:02:28,312 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2023-12-02 22:02:28,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:02:28,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:28,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:28,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:28,314 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:28,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 22:02:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:28,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:28,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:02:28,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:28,498 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 [2023-12-02 22:02:28,503 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 [2023-12-02 22:02:28,596 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 [2023-12-02 22:02:28,603 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 27 treesize of output 11 [2023-12-02 22:02:28,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:28,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 22:02:30,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:30,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 90 states and 118 transitions. [2023-12-02 22:02:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 118 transitions. [2023-12-02 22:02:30,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:02:30,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:30,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:30,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:30,551 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:30,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 22:02:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:30,693 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:30,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:02:30,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:30,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:30,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 22:02:30,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:30,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 89 states and 117 transitions. [2023-12-02 22:02:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2023-12-02 22:02:30,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:02:30,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:30,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:30,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:30,773 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:30,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 22:02:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:30,914 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:30,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:02:30,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:31,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:31,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 22:02:31,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:31,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 90 states and 118 transitions. [2023-12-02 22:02:31,284 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 118 transitions. [2023-12-02 22:02:31,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:02:31,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:31,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:31,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:31,285 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:31,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 22:02:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:31,436 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:31,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 22:02:31,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:31,471 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 [2023-12-02 22:02:31,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:31,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 22:02:31,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:31,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 92 states and 122 transitions. [2023-12-02 22:02:31,529 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 122 transitions. [2023-12-02 22:02:31,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:02:31,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:31,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:31,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:31,531 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:31,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 22:02:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:31,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:31,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:02:31,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:31,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:31,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 22:02:31,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:31,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 92 states and 121 transitions. [2023-12-02 22:02:31,739 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 121 transitions. [2023-12-02 22:02:31,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:02:31,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:31,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:31,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:31,740 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:31,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 22:02:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:31,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:31,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:02:31,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:31,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:31,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 22:02:31,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:31,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 93 states and 123 transitions. [2023-12-02 22:02:31,938 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 123 transitions. [2023-12-02 22:02:31,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:02:31,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:31,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:31,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:31,939 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:31,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 22:02:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:32,128 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:32,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 22:02:32,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:32,161 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 [2023-12-02 22:02:32,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:32,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 22:02:32,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:32,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 94 states and 126 transitions. [2023-12-02 22:02:32,220 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 126 transitions. [2023-12-02 22:02:32,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 22:02:32,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:32,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:32,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:32,221 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:32,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 22:02:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:32,432 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:32,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 22:02:32,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:32,546 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 [2023-12-02 22:02:32,654 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 23 treesize of output 11 [2023-12-02 22:02:32,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:32,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2023-12-02 22:02:34,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:34,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 97 states and 131 transitions. [2023-12-02 22:02:34,565 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 131 transitions. [2023-12-02 22:02:34,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 22:02:34,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:34,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:34,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:34,567 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:34,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 22:02:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:34,751 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:34,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:02:34,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:34,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:34,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 22:02:37,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:37,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 103 states and 141 transitions. [2023-12-02 22:02:37,046 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 141 transitions. [2023-12-02 22:02:37,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 22:02:37,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:37,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:37,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:37,047 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:37,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 22:02:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:37,235 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:37,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:02:37,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:37,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:37,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 22:02:42,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:42,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 112 states and 154 transitions. [2023-12-02 22:02:42,046 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 154 transitions. [2023-12-02 22:02:42,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 22:02:42,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:42,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:42,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:42,047 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:42,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 22:02:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:42,201 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:42,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:02:42,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:42,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 22:02:44,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:44,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 118 states and 163 transitions. [2023-12-02 22:02:44,814 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 163 transitions. [2023-12-02 22:02:44,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 22:02:44,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:44,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:44,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:44,815 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:44,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 22:02:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:45,029 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:45,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:02:45,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:45,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:45,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 22:02:49,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:49,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 126 states and 177 transitions. [2023-12-02 22:02:49,548 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 177 transitions. [2023-12-02 22:02:49,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 22:02:49,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:49,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:49,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:49,549 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:49,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 22:02:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:49,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:49,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:02:49,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:49,803 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 [2023-12-02 22:02:49,829 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-12-02 22:02:49,829 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 [2023-12-02 22:02:50,040 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 [2023-12-02 22:02:50,422 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 [2023-12-02 22:02:50,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:50,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 22:02:54,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:54,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 134 states and 192 transitions. [2023-12-02 22:02:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 192 transitions. [2023-12-02 22:02:54,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 22:02:54,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:54,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:54,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:54,791 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:54,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 22:02:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:55,030 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:55,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 22:02:55,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:55,068 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 [2023-12-02 22:02:55,115 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-02 22:02:55,115 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 [2023-12-02 22:02:55,123 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 [2023-12-02 22:02:55,347 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 [2023-12-02 22:02:55,356 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 [2023-12-02 22:02:55,913 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 25 treesize of output 13 [2023-12-02 22:02:55,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2023-12-02 22:02:55,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:55,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 22:03:01,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:01,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 142 states and 207 transitions. [2023-12-02 22:03:01,652 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 207 transitions. [2023-12-02 22:03:01,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 22:03:01,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:01,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:01,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:01,653 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:01,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 22:03:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:01,855 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:01,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:03:01,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:02,101 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 [2023-12-02 22:03:02,570 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 [2023-12-02 22:03:02,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:02,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 22:03:12,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:12,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 153 states and 228 transitions. [2023-12-02 22:03:12,218 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 228 transitions. [2023-12-02 22:03:12,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:03:12,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:12,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:12,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:12,219 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:12,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 22:03:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:12,456 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:12,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:03:12,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:12,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:12,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 22:03:12,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:12,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 155 states and 236 transitions. [2023-12-02 22:03:12,917 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 236 transitions. [2023-12-02 22:03:12,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:03:12,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:12,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:12,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:12,919 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:12,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 22:03:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:13,130 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:13,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:03:13,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:13,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:13,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 22:03:13,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:13,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 155 states and 234 transitions. [2023-12-02 22:03:13,497 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 234 transitions. [2023-12-02 22:03:13,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:03:13,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:13,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:13,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:13,499 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:13,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 22:03:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:13,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:13,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:03:13,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:13,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:13,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 22:03:13,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:13,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 156 states and 242 transitions. [2023-12-02 22:03:13,866 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 242 transitions. [2023-12-02 22:03:13,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:03:13,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:13,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:13,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:13,868 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:13,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 22:03:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:14,084 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:14,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:03:14,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:14,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:14,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 22:03:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:14,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 157 states and 243 transitions. [2023-12-02 22:03:14,151 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 243 transitions. [2023-12-02 22:03:14,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:03:14,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:14,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:14,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:14,153 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:14,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 22:03:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:14,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:14,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:03:14,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:14,383 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 [2023-12-02 22:03:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:14,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 22:03:15,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:15,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 159 states and 251 transitions. [2023-12-02 22:03:15,834 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 251 transitions. [2023-12-02 22:03:15,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:03:15,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:15,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:15,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:15,835 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:15,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 22:03:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:16,095 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:16,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:03:16,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:16,424 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-02 22:03:16,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 13 [2023-12-02 22:03:16,747 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 15 treesize of output 1 [2023-12-02 22:03:17,355 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2023-12-02 22:03:17,355 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 1 case distinctions, treesize of input 32 treesize of output 23 [2023-12-02 22:03:17,377 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-12-02 22:03:17,377 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2023-12-02 22:03:17,947 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 24 treesize of output 12 [2023-12-02 22:03:18,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:18,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 22:03:28,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:28,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 168 states and 268 transitions. [2023-12-02 22:03:28,334 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 268 transitions. [2023-12-02 22:03:28,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:03:28,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:28,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:28,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:28,336 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:28,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 22:03:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:28,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:28,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 22:03:28,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:28,666 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 [2023-12-02 22:03:28,969 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 23 treesize of output 11 [2023-12-02 22:03:28,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:28,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 22:03:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:30,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 169 states and 274 transitions. [2023-12-02 22:03:30,953 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 274 transitions. [2023-12-02 22:03:30,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:03:30,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:30,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:30,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:30,955 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:30,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 22:03:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:31,248 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:31,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 22:03:31,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:31,320 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 [2023-12-02 22:03:31,334 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 23 treesize of output 11 [2023-12-02 22:03:31,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:31,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 22:03:34,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:34,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 172 states and 280 transitions. [2023-12-02 22:03:34,518 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 280 transitions. [2023-12-02 22:03:34,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:03:34,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:34,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:34,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:34,520 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:34,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 22:03:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:34,809 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:34,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:03:34,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:36,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:03:36,058 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 [2023-12-02 22:03:36,069 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-02 22:03:36,069 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 [2023-12-02 22:03:36,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:36,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 22:03:38,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:38,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 175 states and 288 transitions. [2023-12-02 22:03:38,752 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 288 transitions. [2023-12-02 22:03:38,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:03:38,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:38,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:38,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:38,754 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:38,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 22:03:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:39,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:39,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:03:39,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:39,136 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-12-02 22:03:39,136 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 [2023-12-02 22:03:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:39,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 22:03:39,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:39,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 175 states and 287 transitions. [2023-12-02 22:03:39,540 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 287 transitions. [2023-12-02 22:03:39,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:03:39,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:39,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:39,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:39,541 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:39,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 22:03:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:39,855 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:39,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 22:03:39,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:39,926 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 [2023-12-02 22:03:39,946 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-02 22:03:39,946 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 [2023-12-02 22:03:40,316 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 [2023-12-02 22:03:40,330 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 [2023-12-02 22:03:41,113 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2023-12-02 22:03:41,113 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 1 case distinctions, treesize of input 33 treesize of output 24 [2023-12-02 22:03:41,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:03:41,124 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 [2023-12-02 22:03:41,146 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-12-02 22:03:41,146 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2023-12-02 22:03:41,154 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 11 [2023-12-02 22:03:41,232 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 25 treesize of output 13 [2023-12-02 22:03:41,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2023-12-02 22:03:41,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:41,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 22:03:52,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:52,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 185 states and 317 transitions. [2023-12-02 22:03:52,208 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 317 transitions. [2023-12-02 22:03:52,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:03:52,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:52,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:52,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:52,210 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:52,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 22:03:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:52,477 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:52,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:03:52,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:52,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:03:52,588 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 [2023-12-02 22:03:52,599 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-02 22:03:52,600 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 [2023-12-02 22:03:52,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:52,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2023-12-02 22:03:54,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:54,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 186 states and 317 transitions. [2023-12-02 22:03:54,075 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 317 transitions. [2023-12-02 22:03:54,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:03:54,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:54,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:54,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:54,077 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:54,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 22:03:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:54,357 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:54,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:03:54,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:54,436 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2023-12-02 22:03:54,437 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 19 treesize of output 27 [2023-12-02 22:03:54,865 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 [2023-12-02 22:03:55,724 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2023-12-02 22:03:55,724 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 1 case distinctions, treesize of input 35 treesize of output 26 [2023-12-02 22:03:55,749 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-12-02 22:03:55,749 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2023-12-02 22:03:56,598 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 [2023-12-02 22:03:57,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:57,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2023-12-02 22:04:08,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:08,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 194 states and 338 transitions. [2023-12-02 22:04:08,202 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 338 transitions. [2023-12-02 22:04:08,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:04:08,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:08,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:08,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:08,203 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:08,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 22:04:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:08,538 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:08,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 22:04:08,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:08,604 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 [2023-12-02 22:04:08,620 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-02 22:04:08,620 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 [2023-12-02 22:04:08,636 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 [2023-12-02 22:04:08,647 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 [2023-12-02 22:04:08,679 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2023-12-02 22:04:08,679 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 1 case distinctions, treesize of input 33 treesize of output 24 [2023-12-02 22:04:08,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:04:08,690 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 [2023-12-02 22:04:08,709 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-12-02 22:04:08,710 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2023-12-02 22:04:08,718 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 11 [2023-12-02 22:04:08,779 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 25 treesize of output 13 [2023-12-02 22:04:08,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2023-12-02 22:04:08,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:04:08,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-02 22:04:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 200 states and 347 transitions. [2023-12-02 22:04:14,604 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 347 transitions. [2023-12-02 22:04:14,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:04:14,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:14,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:14,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:14,606 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:14,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 22:04:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:14,933 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:14,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:04:14,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:14,965 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 [2023-12-02 22:04:15,008 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2023-12-02 22:04:15,009 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 19 treesize of output 27 [2023-12-02 22:04:15,041 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 [2023-12-02 22:04:15,070 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2023-12-02 22:04:15,070 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 1 case distinctions, treesize of input 35 treesize of output 26 [2023-12-02 22:04:15,097 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-12-02 22:04:15,097 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2023-12-02 22:04:15,173 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 [2023-12-02 22:04:15,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:04:15,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-02 22:04:21,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:21,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 206 states and 356 transitions. [2023-12-02 22:04:21,720 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 356 transitions. [2023-12-02 22:04:21,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:04:21,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:21,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:21,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:21,722 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:21,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 22:04:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:22,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:22,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:04:22,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:23,361 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 7 treesize of output 3 [2023-12-02 22:04:23,370 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 7 treesize of output 3 [2023-12-02 22:04:23,867 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 [2023-12-02 22:04:23,872 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 [2023-12-02 22:04:24,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:04:24,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2023-12-02 22:04:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:37,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 215 states and 379 transitions. [2023-12-02 22:04:37,425 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 379 transitions. [2023-12-02 22:04:37,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:04:37,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:37,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:37,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:37,427 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:37,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 22:04:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:37,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:37,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:04:37,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:37,810 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 7 treesize of output 3 [2023-12-02 22:04:37,818 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 7 treesize of output 3 [2023-12-02 22:04:37,849 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 [2023-12-02 22:04:37,853 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 [2023-12-02 22:04:37,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:04:37,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 22:04:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 219 states and 387 transitions. [2023-12-02 22:04:44,074 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 387 transitions. [2023-12-02 22:04:44,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:04:44,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:44,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:44,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:44,076 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:44,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 22:04:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:44,350 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:44,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:04:44,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:44,412 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 7 treesize of output 3 [2023-12-02 22:04:44,419 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 7 treesize of output 3 [2023-12-02 22:04:44,449 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 [2023-12-02 22:04:44,453 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 [2023-12-02 22:04:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:04:44,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2023-12-02 22:04:45,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:45,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 220 states and 391 transitions. [2023-12-02 22:04:45,758 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 391 transitions. [2023-12-02 22:04:45,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:04:45,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:45,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:45,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:45,760 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:45,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 22:04:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:46,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:46,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:04:46,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:46,141 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 7 treesize of output 3 [2023-12-02 22:04:46,149 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 7 treesize of output 3 [2023-12-02 22:04:46,194 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 [2023-12-02 22:04:46,198 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 [2023-12-02 22:04:46,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:04:46,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-02 22:04:52,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:52,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 224 states and 399 transitions. [2023-12-02 22:04:52,778 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 399 transitions. [2023-12-02 22:04:52,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:04:52,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:52,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:52,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:52,779 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:52,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 22:04:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:53,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:53,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:04:53,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:53,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:04:53,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-02 22:04:53,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:53,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 221 states and 391 transitions. [2023-12-02 22:04:53,120 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 391 transitions. [2023-12-02 22:04:53,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:04:53,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:53,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:53,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:53,121 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:53,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 22:04:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:53,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:53,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 22:04:53,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:53,522 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 [2023-12-02 22:04:54,114 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-02 22:04:54,114 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 [2023-12-02 22:04:54,649 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 [2023-12-02 22:04:54,663 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 20 treesize of output 15 [2023-12-02 22:04:54,672 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 [2023-12-02 22:04:54,677 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 [2023-12-02 22:04:55,864 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 [2023-12-02 22:04:55,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2023-12-02 22:04:56,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:04:56,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-02 22:05:18,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:05:18,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 233 states and 420 transitions. [2023-12-02 22:05:18,614 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 420 transitions. [2023-12-02 22:05:18,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:05:18,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:05:18,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:05:18,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:05:18,615 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:05:18,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 22:05:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:18,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:05:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:19,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 22:05:19,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:05:19,014 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 [2023-12-02 22:05:19,021 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 [2023-12-02 22:05:19,625 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 [2023-12-02 22:05:19,631 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 27 treesize of output 11 [2023-12-02 22:05:19,667 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-02 22:05:19,667 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 [2023-12-02 22:05:20,232 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 [2023-12-02 22:05:20,237 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 [2023-12-02 22:05:20,254 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 31 treesize of output 19 [2023-12-02 22:05:20,262 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 31 treesize of output 19 [2023-12-02 22:05:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:05:22,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-02 22:05:51,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:05:51,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 243 states and 443 transitions. [2023-12-02 22:05:51,484 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 443 transitions. [2023-12-02 22:05:51,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:05:51,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:05:51,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:05:51,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:05:51,485 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:05:51,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 22:05:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:51,816 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:05:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:51,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:05:51,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:05:51,861 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 [2023-12-02 22:05:52,460 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-12-02 22:05:52,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2023-12-02 22:05:53,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:05:53,220 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 [2023-12-02 22:05:53,228 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-02 22:05:53,229 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 [2023-12-02 22:05:53,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:05:53,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 22:05:58,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:05:58,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 246 states and 446 transitions. [2023-12-02 22:05:58,972 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 446 transitions. [2023-12-02 22:05:58,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:05:58,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:05:58,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:05:58,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:05:58,973 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:05:58,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 22:05:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:59,274 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:05:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:59,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:05:59,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:05:59,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:05:59,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 22:06:06,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:06,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 252 states and 466 transitions. [2023-12-02 22:06:06,647 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 466 transitions. [2023-12-02 22:06:06,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:06:06,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:06,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:06:06,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:06:06,648 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:06:06,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 22:06:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:06,967 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:06:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:06,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:06:07,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:06:07,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:06:07,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-02 22:06:13,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:13,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 258 states and 487 transitions. [2023-12-02 22:06:13,290 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 487 transitions. [2023-12-02 22:06:13,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:06:13,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:13,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:06:13,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:06:13,291 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:06:13,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 22:06:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:13,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:06:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:13,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:06:13,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:06:13,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:06:13,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-02 22:06:28,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:28,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 269 states and 513 transitions. [2023-12-02 22:06:28,804 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 513 transitions. [2023-12-02 22:06:28,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:06:28,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:28,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:06:28,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:06:28,806 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:06:28,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 22:06:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:29,170 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:06:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:29,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:06:29,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:06:29,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:06:29,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-02 22:06:36,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:36,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 273 states and 524 transitions. [2023-12-02 22:06:36,985 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 524 transitions. [2023-12-02 22:06:36,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:06:36,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:36,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:06:36,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:06:36,987 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:06:36,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 22:06:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:37,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:06:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:37,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:06:37,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:06:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:06:37,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-02 22:06:44,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:44,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 277 states and 536 transitions. [2023-12-02 22:06:44,749 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 536 transitions. [2023-12-02 22:06:44,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:06:44,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:44,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:06:44,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:06:44,750 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:06:44,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 22:06:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:45,050 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:06:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:45,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:06:45,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:06:45,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:06:45,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-02 22:06:50,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:50,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 280 states and 542 transitions. [2023-12-02 22:06:50,686 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 542 transitions. [2023-12-02 22:06:50,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:06:50,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:50,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:06:50,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:06:50,687 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:06:50,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 22:06:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:51,039 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:06:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:51,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:06:51,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:06:51,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:06:51,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-02 22:06:59,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:59,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 284 states and 551 transitions. [2023-12-02 22:06:59,173 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 551 transitions. [2023-12-02 22:06:59,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:06:59,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:59,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:06:59,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:06:59,175 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:06:59,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 22:06:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:59,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:06:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:59,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:06:59,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:06:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:06:59,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-02 22:07:06,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:06,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 287 states and 557 transitions. [2023-12-02 22:07:06,162 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 557 transitions. [2023-12-02 22:07:06,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:07:06,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:06,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:07:06,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:07:06,164 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:07:06,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 22:07:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:06,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:07:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:06,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:07:06,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:06,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:07:06,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-02 22:07:08,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:08,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 288 states and 562 transitions. [2023-12-02 22:07:08,009 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 562 transitions. [2023-12-02 22:07:08,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:07:08,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:08,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:07:08,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:07:08,011 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:07:08,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 22:07:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:08,409 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:07:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:08,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:07:08,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:08,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:07:08,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-02 22:07:10,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:10,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 289 states and 567 transitions. [2023-12-02 22:07:10,056 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 567 transitions. [2023-12-02 22:07:10,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:07:10,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:10,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:07:10,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:07:10,057 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:07:10,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 22:07:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:10,432 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:07:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:10,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:07:10,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:10,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:07:10,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-02 22:07:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:20,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 294 states and 582 transitions. [2023-12-02 22:07:20,885 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 582 transitions. [2023-12-02 22:07:20,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:07:20,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:20,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:07:20,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:07:20,887 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:07:20,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 22:07:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:21,264 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:07:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:21,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:07:21,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:07:21,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-02 22:07:27,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:27,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 297 states and 587 transitions. [2023-12-02 22:07:27,971 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 587 transitions. [2023-12-02 22:07:28,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:07:28,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:28,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:07:28,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:07:28,001 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:07:28,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 22:07:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:28,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:07:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:28,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:07:28,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:07:28,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-02 22:07:34,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:34,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 300 states and 592 transitions. [2023-12-02 22:07:34,327 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 592 transitions. [2023-12-02 22:07:34,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:07:34,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:34,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:07:34,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:07:34,328 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:07:34,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 22:07:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:34,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:07:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:34,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:07:34,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:34,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:07:34,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-02 22:07:41,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:41,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 303 states and 597 transitions. [2023-12-02 22:07:41,716 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 597 transitions. [2023-12-02 22:07:41,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:07:41,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:41,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:07:41,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:07:41,718 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:07:41,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 22:07:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:42,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:07:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:42,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 22:07:42,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:42,153 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 [2023-12-02 22:07:42,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:07:42,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 22:08:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 311 states and 624 transitions. [2023-12-02 22:08:03,620 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 624 transitions. [2023-12-02 22:08:03,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:08:03,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:03,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:03,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:03,621 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:03,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 22:08:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:04,049 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:04,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:08:04,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:04,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:08:04,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-02 22:08:22,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:22,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 318 states and 639 transitions. [2023-12-02 22:08:22,690 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 639 transitions. [2023-12-02 22:08:22,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:08:22,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:22,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:22,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:22,691 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:22,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 22:08:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:23,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:23,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:08:23,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:23,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:08:23,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6708485d-5742-4fc1-9a2b-69b53c56e7f8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0