./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/list-ext_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 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_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/list-ext_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8708d72a830c5b897b9a667c6367e709c7302fa81ab6e6c80a90a68a6807b5fb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:52,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:52,505 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:53:52,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:52,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:52,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:52,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:52,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:52,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:52,539 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:53:52,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:52,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:53:52,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:52,542 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:53:52,542 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:53:52,543 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:53:52,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:52,544 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:53:52,544 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:53:52,545 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:52,546 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:52,546 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:52,547 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:52,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:52,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:52,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:52,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:52,550 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:52,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:52,551 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_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8708d72a830c5b897b9a667c6367e709c7302fa81ab6e6c80a90a68a6807b5fb [2023-11-24 22:53:52,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:52,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:52,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:52,874 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:52,876 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:52,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-ext-properties/list-ext_2.i [2023-11-24 22:53:56,082 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:56,408 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:56,408 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/sv-benchmarks/c/list-ext-properties/list-ext_2.i [2023-11-24 22:53:56,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/data/f15b2bbf8/1a6d7e04063a4b33a04adb02fc5ae2d3/FLAGc40fdc308 [2023-11-24 22:53:56,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/data/f15b2bbf8/1a6d7e04063a4b33a04adb02fc5ae2d3 [2023-11-24 22:53:56,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:56,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:56,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:56,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:56,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:56,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:56" (1/1) ... [2023-11-24 22:53:56,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb7f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:56, skipping insertion in model container [2023-11-24 22:53:56,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:56" (1/1) ... [2023-11-24 22:53:56,535 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:56,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:56,897 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:56,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:56,988 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:56,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:56 WrapperNode [2023-11-24 22:53:56,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:56,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:56,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:56,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:56,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:56" (1/1) ... [2023-11-24 22:53:57,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:56" (1/1) ... [2023-11-24 22:53:57,051 INFO L138 Inliner]: procedures = 125, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 143 [2023-11-24 22:53:57,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:57,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:57,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:57,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:57,067 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:56" (1/1) ... [2023-11-24 22:53:57,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:56" (1/1) ... [2023-11-24 22:53:57,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:56" (1/1) ... [2023-11-24 22:53:57,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:56" (1/1) ... [2023-11-24 22:53:57,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:56" (1/1) ... [2023-11-24 22:53:57,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:56" (1/1) ... [2023-11-24 22:53:57,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:56" (1/1) ... [2023-11-24 22:53:57,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:56" (1/1) ... [2023-11-24 22:53:57,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:57,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:57,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:57,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:57,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:56" (1/1) ... [2023-11-24 22:53:57,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:57,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:57,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:57,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:57,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:53:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:53:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:53:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:53:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:53:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:53:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:53:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:57,317 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:57,319 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:57,781 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:57,850 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:57,851 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-24 22:53:57,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:57 BoogieIcfgContainer [2023-11-24 22:53:57,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:57,858 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:57,858 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:57,870 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:57,870 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:57" (1/1) ... [2023-11-24 22:53:57,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:57,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:57,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 80 states and 94 transitions. [2023-11-24 22:53:57,938 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2023-11-24 22:53:57,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:53:57,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:57,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:58,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:58,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:58,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2023-11-24 22:53:58,410 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2023-11-24 22:53:58,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:53:58,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:58,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:58,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:58,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2023-11-24 22:53:58,914 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2023-11-24 22:53:58,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:53:58,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:58,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:58,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:58,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:58,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 86 states and 102 transitions. [2023-11-24 22:53:58,984 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2023-11-24 22:53:58,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:53:58,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:58,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:59,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:59,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:59,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 89 states and 107 transitions. [2023-11-24 22:53:59,129 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 107 transitions. [2023-11-24 22:53:59,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:53:59,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:59,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:59,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:59,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:59,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 92 states and 112 transitions. [2023-11-24 22:53:59,283 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 112 transitions. [2023-11-24 22:53:59,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:53:59,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:59,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:59,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:59,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:59,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 93 states and 113 transitions. [2023-11-24 22:53:59,334 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 113 transitions. [2023-11-24 22:53:59,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:53:59,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:59,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:59,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:59,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:59,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 94 states and 115 transitions. [2023-11-24 22:53:59,682 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2023-11-24 22:53:59,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:53:59,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:59,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:59,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:59,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:59,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 93 states and 114 transitions. [2023-11-24 22:53:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2023-11-24 22:53:59,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:53:59,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:59,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:59,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:00,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:00,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 95 states and 117 transitions. [2023-11-24 22:54:00,016 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2023-11-24 22:54:00,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:54:00,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:00,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:00,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:00,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:00,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2023-11-24 22:54:00,053 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2023-11-24 22:54:00,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:54:00,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:00,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:00,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:00,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:00,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 95 states and 117 transitions. [2023-11-24 22:54:00,137 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2023-11-24 22:54:00,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:54:00,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:00,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:00,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:00,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2023-11-24 22:54:00,182 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2023-11-24 22:54:00,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:54:00,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:00,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:00,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:00,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:00,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 95 states and 120 transitions. [2023-11-24 22:54:00,345 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 120 transitions. [2023-11-24 22:54:00,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:00,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:00,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:00,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:00,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:00,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 102 states and 134 transitions. [2023-11-24 22:54:00,715 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 134 transitions. [2023-11-24 22:54:00,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:00,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:00,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:00,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:01,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:01,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 109 states and 149 transitions. [2023-11-24 22:54:01,124 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 149 transitions. [2023-11-24 22:54:01,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:01,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:01,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:01,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:01,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 108 states and 148 transitions. [2023-11-24 22:54:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 148 transitions. [2023-11-24 22:54:01,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:01,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:01,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:01,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:01,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:01,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 110 states and 151 transitions. [2023-11-24 22:54:01,420 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 151 transitions. [2023-11-24 22:54:01,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:54:01,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:01,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:01,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:01,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:01,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 109 states and 150 transitions. [2023-11-24 22:54:01,506 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 150 transitions. [2023-11-24 22:54:01,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:54:01,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:01,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:01,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:01,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:01,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 110 states and 155 transitions. [2023-11-24 22:54:01,597 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 155 transitions. [2023-11-24 22:54:01,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:01,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:01,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:01,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:01,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 111 states and 156 transitions. [2023-11-24 22:54:01,658 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 156 transitions. [2023-11-24 22:54:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:01,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:01,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:01,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:01,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:01,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 113 states and 161 transitions. [2023-11-24 22:54:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 161 transitions. [2023-11-24 22:54:01,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:01,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:01,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:01,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:01,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:01,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 112 states and 160 transitions. [2023-11-24 22:54:01,960 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 160 transitions. [2023-11-24 22:54:01,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:01,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:01,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:02,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:02,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:02,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 114 states and 165 transitions. [2023-11-24 22:54:02,192 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 165 transitions. [2023-11-24 22:54:02,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:02,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:02,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:02,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:02,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 115 states and 166 transitions. [2023-11-24 22:54:02,805 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 166 transitions. [2023-11-24 22:54:02,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:02,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:02,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:03,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:03,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:03,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 119 states and 173 transitions. [2023-11-24 22:54:03,990 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 173 transitions. [2023-11-24 22:54:03,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:54:03,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:03,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:04,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:05,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 121 states and 179 transitions. [2023-11-24 22:54:05,406 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 179 transitions. [2023-11-24 22:54:05,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:05,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:05,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:05,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:05,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:05,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 120 states and 178 transitions. [2023-11-24 22:54:05,474 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 178 transitions. [2023-11-24 22:54:05,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:05,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:05,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:05,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:05,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:05,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 122 states and 181 transitions. [2023-11-24 22:54:05,579 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 181 transitions. [2023-11-24 22:54:05,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:05,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:05,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:05,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:05,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:05,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 121 states and 180 transitions. [2023-11-24 22:54:05,641 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 180 transitions. [2023-11-24 22:54:05,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:05,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:05,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:05,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:05,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:05,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 124 states and 188 transitions. [2023-11-24 22:54:05,812 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 188 transitions. [2023-11-24 22:54:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:05,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:05,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:06,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 124 states and 187 transitions. [2023-11-24 22:54:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 187 transitions. [2023-11-24 22:54:06,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:06,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:06,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:07,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:07,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 124 states and 186 transitions. [2023-11-24 22:54:07,338 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 186 transitions. [2023-11-24 22:54:07,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:07,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:07,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:07,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:08,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:08,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 87 states and 125 transitions. [2023-11-24 22:54:08,145 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2023-11-24 22:54:08,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:54:08,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:08,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:08,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:09,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:09,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 89 states and 130 transitions. [2023-11-24 22:54:09,040 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 130 transitions. [2023-11-24 22:54:09,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:09,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:09,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:09,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:10,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:10,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 97 states and 143 transitions. [2023-11-24 22:54:10,985 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 143 transitions. [2023-11-24 22:54:10,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:10,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:10,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:11,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:11,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:11,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 101 states and 149 transitions. [2023-11-24 22:54:11,462 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 149 transitions. [2023-11-24 22:54:11,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:11,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:11,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:11,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:12,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:12,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 107 states and 160 transitions. [2023-11-24 22:54:12,800 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 160 transitions. [2023-11-24 22:54:12,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:12,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:12,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:13,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:13,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 111 states and 165 transitions. [2023-11-24 22:54:13,638 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 165 transitions. [2023-11-24 22:54:13,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:13,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:13,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:13,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:14,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:14,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 115 states and 170 transitions. [2023-11-24 22:54:14,115 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 170 transitions. [2023-11-24 22:54:14,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:14,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:14,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:14,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:14,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:14,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 117 states and 173 transitions. [2023-11-24 22:54:14,264 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 173 transitions. [2023-11-24 22:54:14,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:54:14,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:14,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:14,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:16,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:16,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 123 states and 185 transitions. [2023-11-24 22:54:16,246 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 185 transitions. [2023-11-24 22:54:16,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:54:16,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:16,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:16,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:54:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:16,333 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:54:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:16,365 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 42 iterations. [2023-11-24 22:54:16,392 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short5 could not be translated [2023-11-24 22:54:16,393 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-24 22:54:16,393 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-24 22:54:16,394 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short10 could not be translated [2023-11-24 22:54:16,394 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-11-24 22:54:16,394 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-24 22:54:16,395 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated [2023-11-24 22:54:16,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:54:16 ImpRootNode [2023-11-24 22:54:16,399 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:54:16,400 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:54:16,400 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:54:16,400 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:54:16,401 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:57" (3/4) ... [2023-11-24 22:54:16,403 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:54:16,418 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:54:16,419 INFO L158 Benchmark]: Toolchain (without parser) took 19963.25ms. Allocated memory was 155.2MB in the beginning and 268.4MB in the end (delta: 113.2MB). Free memory was 107.5MB in the beginning and 154.2MB in the end (delta: -46.7MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2023-11-24 22:54:16,419 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 155.2MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:54:16,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.33ms. Allocated memory is still 155.2MB. Free memory was 107.2MB in the beginning and 89.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:54:16,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.59ms. Allocated memory is still 155.2MB. Free memory was 89.7MB in the beginning and 87.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:16,421 INFO L158 Benchmark]: Boogie Preprocessor took 57.26ms. Allocated memory is still 155.2MB. Free memory was 87.5MB in the beginning and 85.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:16,422 INFO L158 Benchmark]: RCFGBuilder took 746.52ms. Allocated memory was 155.2MB in the beginning and 222.3MB in the end (delta: 67.1MB). Free memory was 85.7MB in the beginning and 182.6MB in the end (delta: -96.9MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:16,423 INFO L158 Benchmark]: CodeCheck took 18541.76ms. Allocated memory was 222.3MB in the beginning and 268.4MB in the end (delta: 46.1MB). Free memory was 182.6MB in the beginning and 154.2MB in the end (delta: 28.3MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2023-11-24 22:54:16,423 INFO L158 Benchmark]: Witness Printer took 18.02ms. Allocated memory is still 268.4MB. Free memory was 154.2MB in the beginning and 154.2MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:16,428 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 80 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 18.5s, OverallIterations: 42, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4008 SdHoareTripleChecker+Valid, 19.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3104 mSDsluCounter, 3915 SdHoareTripleChecker+Invalid, 16.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2749 mSDsCounter, 2631 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9805 IncrementalHoareTripleChecker+Invalid, 12436 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2631 mSolverCounterUnsat, 1166 mSDtfsCounter, 9805 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3835 GetRequests, 3557 SyntacticMatches, 88 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14153 ImplicationChecksByTransitivity, 12.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 451 NumberOfCodeBlocks, 451 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 394 ConstructedInterpolants, 0 QuantifiedInterpolants, 2149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 41 InterpolantComputations, 35 PerfectInterpolantSequences, 14/26 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 12]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 12. Possible FailurePath: [L533] int i = 0; [L534] int y = 0; [L535] List a = (List) malloc(sizeof(struct node)); [L536] COND FALSE !(a == 0) [L537] List t; [L538] List p = a; VAL [a={5877:0}, i=0, p={5877:0}, y=0] [L539] i < 10 && __VERIFIER_nondet_int() [L539] i < 10 && __VERIFIER_nondet_int() VAL [a={5877:0}, i=0, p={5877:0}, y=0] [L539] COND FALSE !(i < 10 && __VERIFIER_nondet_int()) [L547] y < 10 && __VERIFIER_nondet_int() [L547] y < 10 && __VERIFIER_nondet_int() VAL [a={5877:0}, i=0, p={5877:0}, y=0] [L547] COND FALSE !(y < 10 && __VERIFIER_nondet_int()) [L555] p->h = 3 [L556] p->n = (void*)__VERIFIER_nondet_ulong() [L557] i = 0 [L558] y = 0 [L559] p = a VAL [a={5877:0}, i=0, p={5877:0}, y=0] [L560] EXPR p->h VAL [a={5877:0}, i=0, p={5877:0}, y=0] [L560] COND FALSE !(p->h == 1) [L564] EXPR p->h VAL [a={5877:0}, i=0, p={5877:0}, y=0] [L564] COND FALSE !(p->h == 2) [L568] EXPR p->h VAL [a={5877:0}, i=0, p={5877:0}, y=0] [L568] COND TRUE p->h != 3 || (i + y) < 20 [L569] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "list-ext_2.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 155.2MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 532.33ms. Allocated memory is still 155.2MB. Free memory was 107.2MB in the beginning and 89.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.59ms. Allocated memory is still 155.2MB. Free memory was 89.7MB in the beginning and 87.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.26ms. Allocated memory is still 155.2MB. Free memory was 87.5MB in the beginning and 85.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 746.52ms. Allocated memory was 155.2MB in the beginning and 222.3MB in the end (delta: 67.1MB). Free memory was 85.7MB in the beginning and 182.6MB in the end (delta: -96.9MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * CodeCheck took 18541.76ms. Allocated memory was 222.3MB in the beginning and 268.4MB in the end (delta: 46.1MB). Free memory was 182.6MB in the beginning and 154.2MB in the end (delta: 28.3MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. * Witness Printer took 18.02ms. Allocated memory is still 268.4MB. Free memory was 154.2MB in the beginning and 154.2MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem21 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 [2023-11-24 22:54:16,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/list-ext_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8708d72a830c5b897b9a667c6367e709c7302fa81ab6e6c80a90a68a6807b5fb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:19,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:19,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 22:54:19,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:19,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:19,402 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:19,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:19,403 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:19,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:19,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:19,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:19,410 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:54:19,411 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:54:19,413 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:54:19,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:19,414 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:54:19,414 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:54:19,414 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:54:19,415 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:19,416 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:19,416 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:19,417 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:19,418 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:19,418 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:19,418 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:19,419 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:54:19,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:19,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:19,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:19,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:19,422 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:54:19,423 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:19,423 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:54:19,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:54:19,424 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_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8708d72a830c5b897b9a667c6367e709c7302fa81ab6e6c80a90a68a6807b5fb [2023-11-24 22:54:19,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:19,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:19,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:19,898 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:19,899 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:19,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-ext-properties/list-ext_2.i [2023-11-24 22:54:23,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:23,625 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:23,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/sv-benchmarks/c/list-ext-properties/list-ext_2.i [2023-11-24 22:54:23,642 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/data/1345eefab/e6a6c8c7ecf747d9aea2c870097d3865/FLAG7eb6a2832 [2023-11-24 22:54:23,660 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/data/1345eefab/e6a6c8c7ecf747d9aea2c870097d3865 [2023-11-24 22:54:23,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:23,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:23,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:23,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:23,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:23,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1810cf9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23, skipping insertion in model container [2023-11-24 22:54:23,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,758 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:24,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:24,184 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:24,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:24,291 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:24,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:24 WrapperNode [2023-11-24 22:54:24,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:24,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:24,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:24,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:24,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:24" (1/1) ... [2023-11-24 22:54:24,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:24" (1/1) ... [2023-11-24 22:54:24,420 INFO L138 Inliner]: procedures = 128, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 142 [2023-11-24 22:54:24,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:24,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:24,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:24,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:24,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:24" (1/1) ... [2023-11-24 22:54:24,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:24" (1/1) ... [2023-11-24 22:54:24,452 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:24" (1/1) ... [2023-11-24 22:54:24,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:24" (1/1) ... [2023-11-24 22:54:24,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:24" (1/1) ... [2023-11-24 22:54:24,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:24" (1/1) ... [2023-11-24 22:54:24,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:24" (1/1) ... [2023-11-24 22:54:24,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:24" (1/1) ... [2023-11-24 22:54:24,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:24,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:24,499 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:24,499 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:24,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:24" (1/1) ... [2023-11-24 22:54:24,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:24,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:24,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:24,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:24,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:54:24,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:54:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:54:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:54:24,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:54:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:54:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:54:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:24,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:24,762 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:24,764 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:25,417 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:25,486 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:25,487 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-24 22:54:25,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:25 BoogieIcfgContainer [2023-11-24 22:54:25,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:25,490 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:25,490 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:25,502 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:25,502 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:25" (1/1) ... [2023-11-24 22:54:25,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:25,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:25,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 80 states and 94 transitions. [2023-11-24 22:54:25,584 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2023-11-24 22:54:25,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:54:25,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:25,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:25,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:25,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:25,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:54:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:25,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:25,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:54:25,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:25,900 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 [2023-11-24 22:54:25,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:25,962 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:54:25,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:26,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:26,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2023-11-24 22:54:26,093 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2023-11-24 22:54:26,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:54:26,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:26,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:26,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:26,097 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:26,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:54:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:26,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:26,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:54:26,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:26,229 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 [2023-11-24 22:54:26,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:26,344 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:54:26,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-24 22:54:26,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:26,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2023-11-24 22:54:26,706 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2023-11-24 22:54:26,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:54:26,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:26,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:26,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:26,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:26,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 22:54:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:26,811 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:26,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:54:26,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:26,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:26,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:26,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:26,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 86 states and 102 transitions. [2023-11-24 22:54:26,872 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2023-11-24 22:54:26,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:54:26,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:26,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:26,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:26,875 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:26,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 22:54:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:26,964 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:26,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:54:26,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:26,988 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 [2023-11-24 22:54:27,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:27,011 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:54:27,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:27,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:27,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 89 states and 107 transitions. [2023-11-24 22:54:27,070 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 107 transitions. [2023-11-24 22:54:27,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:54:27,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:27,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:27,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:27,073 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:27,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 22:54:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,171 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:54:27,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:27,201 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 [2023-11-24 22:54:27,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:27,255 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:54:27,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:27,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 92 states and 112 transitions. [2023-11-24 22:54:27,325 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 112 transitions. [2023-11-24 22:54:27,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:54:27,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:27,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:27,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:27,327 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:27,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-24 22:54:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,425 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:54:27,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:27,461 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 [2023-11-24 22:54:27,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:27,481 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:54:27,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:27,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:27,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 93 states and 113 transitions. [2023-11-24 22:54:27,522 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 113 transitions. [2023-11-24 22:54:27,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:54:27,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:27,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:27,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:27,524 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:27,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-24 22:54:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:54:27,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:27,668 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 [2023-11-24 22:54:27,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:27,736 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:54:27,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-24 22:54:27,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:27,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-24 22:54:27,787 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-24 22:54:27,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:54:27,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:27,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:27,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:27,796 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:27,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-24 22:54:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:54:27,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:27,981 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-11-24 22:54:27,981 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 [2023-11-24 22:54:27,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:27,995 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:54:28,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:28,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:28,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 93 states and 113 transitions. [2023-11-24 22:54:28,045 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 113 transitions. [2023-11-24 22:54:28,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:54:28,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:28,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:28,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:28,048 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:28,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-24 22:54:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:28,183 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:28,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:54:28,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:28,220 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 [2023-11-24 22:54:28,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:54:28,293 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 [2023-11-24 22:54:28,307 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-24 22:54:28,308 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 [2023-11-24 22:54:28,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:28,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:28,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:28,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 95 states and 116 transitions. [2023-11-24 22:54:28,417 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2023-11-24 22:54:28,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:54:28,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:28,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:28,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:28,419 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:28,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-24 22:54:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:28,510 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:28,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:28,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:28,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:28,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:28,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:28,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 94 states and 115 transitions. [2023-11-24 22:54:28,590 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2023-11-24 22:54:28,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:54:28,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:28,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:28,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:28,592 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:28,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-24 22:54:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:28,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:28,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:54:28,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:28,741 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 [2023-11-24 22:54:28,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:28,802 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:54:28,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:28,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:28,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 95 states and 116 transitions. [2023-11-24 22:54:28,862 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2023-11-24 22:54:28,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:54:28,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:28,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:28,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:28,865 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:28,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-11-24 22:54:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:28,965 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:28,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:28,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:29,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-11-24 22:54:29,004 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (13)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:54:29,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:29,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 94 states and 115 transitions. [2023-11-24 22:54:29,048 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2023-11-24 22:54:29,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:54:29,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:29,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:29,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:29,051 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:29,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-11-24 22:54:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:29,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:29,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:54:29,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:29,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:29,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:29,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:29,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 93 states and 114 transitions. [2023-11-24 22:54:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2023-11-24 22:54:29,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:29,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:29,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:29,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:29,804 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:29,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-11-24 22:54:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:29,938 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:29,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:54:29,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:30,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:30,040 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (15)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:54:30,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:30,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:30,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 100 states and 127 transitions. [2023-11-24 22:54:30,619 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 127 transitions. [2023-11-24 22:54:30,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:30,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:30,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:30,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:30,621 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:30,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-11-24 22:54:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:30,752 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:30,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:54:30,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:30,786 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 [2023-11-24 22:54:30,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:30,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:31,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:31,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 107 states and 141 transitions. [2023-11-24 22:54:31,531 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 141 transitions. [2023-11-24 22:54:31,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:31,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:31,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:31,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:31,537 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:31,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-11-24 22:54:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:31,670 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:31,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:54:31,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:31,726 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-11-24 22:54:31,727 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 [2023-11-24 22:54:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:31,737 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (17)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:54:31,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:31,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:31,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 106 states and 140 transitions. [2023-11-24 22:54:31,785 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 140 transitions. [2023-11-24 22:54:31,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:31,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:31,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:31,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:31,788 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:31,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-11-24 22:54:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:31,932 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:31,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:54:31,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:31,974 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 [2023-11-24 22:54:32,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:54:32,034 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 [2023-11-24 22:54:32,046 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-24 22:54:32,047 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 [2023-11-24 22:54:32,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:32,082 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (18)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:54:32,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:32,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 108 states and 143 transitions. [2023-11-24 22:54:32,152 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 143 transitions. [2023-11-24 22:54:32,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:54:32,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:32,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:32,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:32,155 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:32,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-11-24 22:54:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:32,298 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:32,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:32,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:32,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:32,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:32,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 107 states and 142 transitions. [2023-11-24 22:54:32,395 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 142 transitions. [2023-11-24 22:54:32,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:54:32,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:32,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:32,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:32,398 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:32,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-11-24 22:54:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:32,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:32,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:54:32,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:32,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:32,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:32,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:32,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 106 states and 141 transitions. [2023-11-24 22:54:32,625 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 141 transitions. [2023-11-24 22:54:32,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:32,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:32,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:32,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:32,632 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:32,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-11-24 22:54:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:32,759 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:32,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:32,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:32,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:32,809 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (21)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:54:32,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:32,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:32,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 107 states and 142 transitions. [2023-11-24 22:54:32,861 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 142 transitions. [2023-11-24 22:54:32,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:32,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:32,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:32,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:32,868 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:32,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-11-24 22:54:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:32,992 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:33,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:54:33,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:33,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:33,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:33,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:33,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 108 states and 143 transitions. [2023-11-24 22:54:33,897 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 143 transitions. [2023-11-24 22:54:33,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:33,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:33,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:33,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:33,903 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:33,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-11-24 22:54:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:34,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:34,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:34,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:34,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:34,063 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (23)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:54:34,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:34,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 107 states and 142 transitions. [2023-11-24 22:54:34,102 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 142 transitions. [2023-11-24 22:54:34,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:34,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:34,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:34,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:34,105 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:34,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-11-24 22:54:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:34,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:34,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:54:34,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:34,314 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 [2023-11-24 22:54:34,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:34,395 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (24)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:54:34,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:34,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:34,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 109 states and 147 transitions. [2023-11-24 22:54:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 147 transitions. [2023-11-24 22:54:34,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:34,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:34,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:34,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:34,688 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:34,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-11-24 22:54:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:34,857 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:34,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 22:54:34,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:34,922 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 [2023-11-24 22:54:35,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-24 22:54:35,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-24 22:54:35,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-11-24 22:54:35,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:35,236 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (25)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:54:35,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:36,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 103 states and 137 transitions. [2023-11-24 22:54:36,632 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 137 transitions. [2023-11-24 22:54:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:36,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:36,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:36,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:36,636 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:36,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-11-24 22:54:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:36,809 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:36,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:54:36,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:36,848 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 [2023-11-24 22:54:36,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-24 22:54:37,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-24 22:54:37,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:37,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-11-24 22:54:38,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:38,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 98 states and 131 transitions. [2023-11-24 22:54:38,576 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 131 transitions. [2023-11-24 22:54:38,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:54:38,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:38,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:38,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:38,580 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:38,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-11-24 22:54:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:38,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:54:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:38,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:54:38,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:38,984 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 [2023-11-24 22:54:39,183 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 [2023-11-24 22:54:39,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:39,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d4441e-0fb3-4288-b50f-c8b980c61c78/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0