./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-circular-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8cae51-007c-4e4c-a028-8fc04b31a463/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8cae51-007c-4e4c-a028-8fc04b31a463/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_bf8cae51-007c-4e4c-a028-8fc04b31a463/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8cae51-007c-4e4c-a028-8fc04b31a463/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-circular-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8cae51-007c-4e4c-a028-8fc04b31a463/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_bf8cae51-007c-4e4c-a028-8fc04b31a463/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 6c54160550402a2cf6139371c972b70bfa4a53acf207c90f67eed3e784812b38 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:51,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:51,794 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8cae51-007c-4e4c-a028-8fc04b31a463/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:01:51,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:51,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:51,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:51,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:51,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:51,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:51,838 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:51,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:51,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:51,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:51,842 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:01:51,843 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:01:51,843 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:01:51,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:51,844 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:51,845 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:51,845 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:51,846 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:51,847 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:51,847 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:51,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:51,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:51,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:51,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:51,850 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:51,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:51,851 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_bf8cae51-007c-4e4c-a028-8fc04b31a463/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8cae51-007c-4e4c-a028-8fc04b31a463/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c54160550402a2cf6139371c972b70bfa4a53acf207c90f67eed3e784812b38 [2023-11-24 23:01:52,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:52,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:52,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:52,216 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:52,217 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:52,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8cae51-007c-4e4c-a028-8fc04b31a463/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/forester-heap/sll-circular-1.i [2023-11-24 23:01:55,563 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:55,964 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:55,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8cae51-007c-4e4c-a028-8fc04b31a463/sv-benchmarks/c/forester-heap/sll-circular-1.i [2023-11-24 23:01:55,988 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8cae51-007c-4e4c-a028-8fc04b31a463/bin/ukojak-verify-afCqCEvfdi/data/a8bd31bdd/2ad0bbea278c4da2a0be1d6a04918b5e/FLAGe2a48cc8c [2023-11-24 23:01:56,008 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8cae51-007c-4e4c-a028-8fc04b31a463/bin/ukojak-verify-afCqCEvfdi/data/a8bd31bdd/2ad0bbea278c4da2a0be1d6a04918b5e [2023-11-24 23:01:56,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:56,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:56,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:56,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:56,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:56,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:56" (1/1) ... [2023-11-24 23:01:56,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d37a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:56, skipping insertion in model container [2023-11-24 23:01:56,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:56" (1/1) ... [2023-11-24 23:01:56,107 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:56,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:56,587 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:56,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:56,716 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:56,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:56 WrapperNode [2023-11-24 23:01:56,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:56,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:56,719 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:56,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:56,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:56" (1/1) ... [2023-11-24 23:01:56,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:56" (1/1) ... [2023-11-24 23:01:56,792 INFO L138 Inliner]: procedures = 119, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2023-11-24 23:01:56,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:56,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:56,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:56,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:56,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:56" (1/1) ... [2023-11-24 23:01:56,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:56" (1/1) ... [2023-11-24 23:01:56,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:56" (1/1) ... [2023-11-24 23:01:56,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:56" (1/1) ... [2023-11-24 23:01:56,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:56" (1/1) ... [2023-11-24 23:01:56,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:56" (1/1) ... [2023-11-24 23:01:56,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:56" (1/1) ... [2023-11-24 23:01:56,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:56" (1/1) ... [2023-11-24 23:01:56,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:56,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:56,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:56,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:56,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:56" (1/1) ... [2023-11-24 23:01:56,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:56,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8cae51-007c-4e4c-a028-8fc04b31a463/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:56,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8cae51-007c-4e4c-a028-8fc04b31a463/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:56,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8cae51-007c-4e4c-a028-8fc04b31a463/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:01:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:01:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:01:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:01:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:01:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:01:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:56,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:57,103 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:57,106 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:57,498 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:57,561 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:57,561 INFO L309 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-24 23:01:57,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:57 BoogieIcfgContainer [2023-11-24 23:01:57,563 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:57,564 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:57,564 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:57,576 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:57,576 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:57" (1/1) ... [2023-11-24 23:01:57,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:01:57,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:57,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 96 states and 117 transitions. [2023-11-24 23:01:57,654 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 117 transitions. [2023-11-24 23:01:57,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:01:57,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:57,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:57,938 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 23:01:57,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:57,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 95 states and 116 transitions. [2023-11-24 23:01:57,988 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2023-11-24 23:01:57,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:01:57,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:57,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:58,170 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 23:01:58,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:58,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 94 states and 115 transitions. [2023-11-24 23:01:58,296 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2023-11-24 23:01:58,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:01:58,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:58,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:58,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:58,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:58,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 93 states and 114 transitions. [2023-11-24 23:01:58,401 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2023-11-24 23:01:58,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:01:58,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:58,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:58,492 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 23:01:58,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:58,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 92 states and 113 transitions. [2023-11-24 23:01:58,685 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 113 transitions. [2023-11-24 23:01:58,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:01:58,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:58,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:58,713 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 23:01:58,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:58,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 92 states and 111 transitions. [2023-11-24 23:01:58,719 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2023-11-24 23:01:58,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:58,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:58,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:58,842 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 23:01:58,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:58,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 95 states and 117 transitions. [2023-11-24 23:01:58,904 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2023-11-24 23:01:58,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:58,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:58,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:59,122 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 23:01:59,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:59,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 98 states and 123 transitions. [2023-11-24 23:01:59,277 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 123 transitions. [2023-11-24 23:01:59,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:59,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:59,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:59,416 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 23:01:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:59,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 99 states and 125 transitions. [2023-11-24 23:01:59,446 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 125 transitions. [2023-11-24 23:01:59,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:59,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:59,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:59,664 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 23:01:59,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:59,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 100 states and 127 transitions. [2023-11-24 23:01:59,701 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 127 transitions. [2023-11-24 23:01:59,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:01:59,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:59,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:59,752 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 23:01:59,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:59,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 104 states and 135 transitions. [2023-11-24 23:01:59,931 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 135 transitions. [2023-11-24 23:01:59,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:01:59,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:59,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:00,042 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 23:02:00,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:00,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 108 states and 143 transitions. [2023-11-24 23:02:00,408 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 143 transitions. [2023-11-24 23:02:00,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:02:00,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:00,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:00,443 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 23:02:00,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:00,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 107 states and 142 transitions. [2023-11-24 23:02:00,464 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 142 transitions. [2023-11-24 23:02:00,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:02:00,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:00,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:00,607 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 23:02:00,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:00,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 108 states and 144 transitions. [2023-11-24 23:02:00,805 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 144 transitions. [2023-11-24 23:02:00,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:02:00,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:00,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:00,959 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 23:02:01,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:01,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 110 states and 148 transitions. [2023-11-24 23:02:01,383 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 148 transitions. [2023-11-24 23:02:01,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:02:01,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:01,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:01,608 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 23:02:02,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:02,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 112 states and 152 transitions. [2023-11-24 23:02:02,231 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 152 transitions. [2023-11-24 23:02:02,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:02:02,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:02,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:02,253 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 23:02:02,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:02,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 112 states and 149 transitions. [2023-11-24 23:02:02,266 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 149 transitions. [2023-11-24 23:02:02,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:02:02,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:02,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:02,680 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 23:02:03,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:03,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 119 states and 164 transitions. [2023-11-24 23:02:03,722 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 164 transitions. [2023-11-24 23:02:03,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:02:03,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:03,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:04,336 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 23:02:05,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:05,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 126 states and 180 transitions. [2023-11-24 23:02:05,875 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 180 transitions. [2023-11-24 23:02:05,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:02:05,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:05,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:06,387 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 23:02:08,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:08,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 130 states and 189 transitions. [2023-11-24 23:02:08,246 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 189 transitions. [2023-11-24 23:02:08,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:02:08,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:08,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:08,277 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 23:02:08,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:08,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 131 states and 192 transitions. [2023-11-24 23:02:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 192 transitions. [2023-11-24 23:02:08,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:02:08,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:08,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:08,668 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 23:02:09,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:09,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 135 states and 201 transitions. [2023-11-24 23:02:09,926 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 201 transitions. [2023-11-24 23:02:09,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:02:09,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:09,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:10,134 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 23:02:10,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:10,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 136 states and 203 transitions. [2023-11-24 23:02:10,158 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 203 transitions. [2023-11-24 23:02:10,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:02:10,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:10,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:10,196 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 23:02:10,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 136 states and 202 transitions. [2023-11-24 23:02:10,337 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 202 transitions. [2023-11-24 23:02:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:02:10,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:10,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:10,365 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 23:02:10,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:10,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 139 states and 208 transitions. [2023-11-24 23:02:10,985 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 208 transitions. [2023-11-24 23:02:10,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:02:10,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:10,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:11,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:11,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:11,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 144 states and 216 transitions. [2023-11-24 23:02:11,807 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 216 transitions. [2023-11-24 23:02:11,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:02:11,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:11,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:12,234 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 23:02:12,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:12,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2023-11-24 23:02:12,926 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2023-11-24 23:02:12,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:02:12,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:12,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:12,968 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 23:02:13,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:13,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 147 states and 223 transitions. [2023-11-24 23:02:13,285 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2023-11-24 23:02:13,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:02:13,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:13,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:13,401 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 23:02:15,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:15,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 154 states and 240 transitions. [2023-11-24 23:02:15,141 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 240 transitions. [2023-11-24 23:02:15,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:02:15,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:15,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:15,441 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 23:02:17,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:17,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 158 states and 250 transitions. [2023-11-24 23:02:17,446 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 250 transitions. [2023-11-24 23:02:17,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:02:17,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:17,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:17,934 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 23:02:21,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 162 states and 261 transitions. [2023-11-24 23:02:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 261 transitions. [2023-11-24 23:02:21,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:02:21,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:21,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:21,778 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 23:02:24,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:24,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 168 states and 278 transitions. [2023-11-24 23:02:24,422 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 278 transitions. [2023-11-24 23:02:24,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:02:24,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:24,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:24,997 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 23:02:28,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:28,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 174 states and 295 transitions. [2023-11-24 23:02:28,433 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 295 transitions. [2023-11-24 23:02:28,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:02:28,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:28,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:28,764 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 23:02:30,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:30,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 178 states and 303 transitions. [2023-11-24 23:02:30,621 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 303 transitions. [2023-11-24 23:02:30,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:02:30,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:30,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:30,686 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 23:02:30,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:30,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 179 states and 303 transitions. [2023-11-24 23:02:30,698 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 303 transitions. [2023-11-24 23:02:30,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:30,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:30,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:30,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:30,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:30,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 178 states and 302 transitions. [2023-11-24 23:02:30,745 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 302 transitions. [2023-11-24 23:02:30,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:30,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:30,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:31,474 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 23:02:34,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:34,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 183 states and 316 transitions. [2023-11-24 23:02:34,376 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 316 transitions. [2023-11-24 23:02:34,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:34,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:34,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:35,263 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 23:02:38,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 191 states and 335 transitions. [2023-11-24 23:02:38,434 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 335 transitions. [2023-11-24 23:02:38,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:38,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:38,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:38,471 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 23:02:39,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:39,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 193 states and 339 transitions. [2023-11-24 23:02:39,082 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 339 transitions. [2023-11-24 23:02:39,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:39,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:39,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:39,120 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 23:02:39,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:39,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 196 states and 344 transitions. [2023-11-24 23:02:39,774 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 344 transitions. [2023-11-24 23:02:39,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:39,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:39,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:39,818 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 23:02:40,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:40,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 197 states and 345 transitions. [2023-11-24 23:02:40,243 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 345 transitions. [2023-11-24 23:02:40,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:40,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:40,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:40,282 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 23:02:41,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:41,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 202 states and 359 transitions. [2023-11-24 23:02:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 359 transitions. [2023-11-24 23:02:41,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:41,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:41,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:41,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:42,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:42,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 204 states and 364 transitions. [2023-11-24 23:02:42,486 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 364 transitions. [2023-11-24 23:02:42,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:02:42,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:42,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:42,625 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 23:02:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:43,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 206 states and 366 transitions. [2023-11-24 23:02:43,239 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 366 transitions. [2023-11-24 23:02:43,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:02:43,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:43,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat