./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_remove_all.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_722a5a87-2b67-4cc4-8519-b6cc8700a71a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722a5a87-2b67-4cc4-8519-b6cc8700a71a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722a5a87-2b67-4cc4-8519-b6cc8700a71a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722a5a87-2b67-4cc4-8519-b6cc8700a71a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_remove_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722a5a87-2b67-4cc4-8519-b6cc8700a71a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722a5a87-2b67-4cc4-8519-b6cc8700a71a/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c2ed91303515fb47ae50633bb4ba0c83e07781b13d03a95e0e32251f9fc3016 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:52:50,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:52:50,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722a5a87-2b67-4cc4-8519-b6cc8700a71a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 23:52:50,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:52:50,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:52:50,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:52:50,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:52:50,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:52:50,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:52:50,648 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:52:50,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:52:50,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:52:50,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:52:50,650 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:52:50,650 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:52:50,651 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 23:52:50,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:52:50,652 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:52:50,652 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:52:50,653 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:52:50,654 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:52:50,654 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:52:50,655 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:52:50,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:52:50,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:52:50,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:52:50,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:52:50,657 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:52:50,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:52:50,658 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_722a5a87-2b67-4cc4-8519-b6cc8700a71a/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722a5a87-2b67-4cc4-8519-b6cc8700a71a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c2ed91303515fb47ae50633bb4ba0c83e07781b13d03a95e0e32251f9fc3016 [2023-12-02 23:52:50,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:52:50,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:52:50,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:52:50,893 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:52:50,893 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:52:50,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722a5a87-2b67-4cc4-8519-b6cc8700a71a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/list-simple/dll2c_remove_all.i [2023-12-02 23:52:53,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:52:53,839 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:52:53,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722a5a87-2b67-4cc4-8519-b6cc8700a71a/sv-benchmarks/c/list-simple/dll2c_remove_all.i [2023-12-02 23:52:53,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722a5a87-2b67-4cc4-8519-b6cc8700a71a/bin/ukojak-verify-Qdu7aM0XO9/data/284867428/ad1bbcdab0b74a2b91808ad855a060f0/FLAG13e7b7523 [2023-12-02 23:52:53,866 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722a5a87-2b67-4cc4-8519-b6cc8700a71a/bin/ukojak-verify-Qdu7aM0XO9/data/284867428/ad1bbcdab0b74a2b91808ad855a060f0 [2023-12-02 23:52:53,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:52:53,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:52:53,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:52:53,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:52:53,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:52:53,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:52:53" (1/1) ... [2023-12-02 23:52:53,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46dab46b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:53, skipping insertion in model container [2023-12-02 23:52:53,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:52:53" (1/1) ... [2023-12-02 23:52:53,928 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:52:54,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:52:54,219 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:52:54,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:52:54,292 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:52:54,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:54 WrapperNode [2023-12-02 23:52:54,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:52:54,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:52:54,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:52:54,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:52:54,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:54" (1/1) ... [2023-12-02 23:52:54,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:54" (1/1) ... [2023-12-02 23:52:54,339 INFO L138 Inliner]: procedures = 126, calls = 39, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 129 [2023-12-02 23:52:54,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:52:54,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:52:54,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:52:54,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:52:54,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:54" (1/1) ... [2023-12-02 23:52:54,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:54" (1/1) ... [2023-12-02 23:52:54,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:54" (1/1) ... [2023-12-02 23:52:54,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:54" (1/1) ... [2023-12-02 23:52:54,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:54" (1/1) ... [2023-12-02 23:52:54,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:54" (1/1) ... [2023-12-02 23:52:54,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:54" (1/1) ... [2023-12-02 23:52:54,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:54" (1/1) ... [2023-12-02 23:52:54,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:52:54,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:52:54,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:52:54,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:52:54,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:54" (1/1) ... [2023-12-02 23:52:54,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:52:54,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722a5a87-2b67-4cc4-8519-b6cc8700a71a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:52:54,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722a5a87-2b67-4cc4-8519-b6cc8700a71a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:52:54,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722a5a87-2b67-4cc4-8519-b6cc8700a71a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:52:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:52:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:52:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:52:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:52:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:52:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:52:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:52:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 23:52:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:52:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:52:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:52:54,535 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:52:54,537 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:52:54,830 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:52:54,870 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:52:54,871 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:52:54,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:52:54 BoogieIcfgContainer [2023-12-02 23:52:54,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:52:54,873 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:52:54,874 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:52:54,881 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:52:54,882 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:52:54" (1/1) ... [2023-12-02 23:52:54,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:52:54,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:54,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 97 states and 104 transitions. [2023-12-02 23:52:54,937 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 104 transitions. [2023-12-02 23:52:54,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:52:54,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:54,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:55,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:55,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:55,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 96 states and 103 transitions. [2023-12-02 23:52:55,188 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions. [2023-12-02 23:52:55,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:52:55,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:55,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:55,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:55,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 95 states and 102 transitions. [2023-12-02 23:52:55,413 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 102 transitions. [2023-12-02 23:52:55,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:52:55,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:55,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:55,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:55,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 94 states and 101 transitions. [2023-12-02 23:52:55,464 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 101 transitions. [2023-12-02 23:52:55,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:52:55,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:55,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:55,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 93 states and 100 transitions. [2023-12-02 23:52:55,717 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 100 transitions. [2023-12-02 23:52:55,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:52:55,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:55,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:55,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:55,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:55,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 92 states and 99 transitions. [2023-12-02 23:52:55,762 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 99 transitions. [2023-12-02 23:52:55,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:52:55,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:55,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:55,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:55,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:55,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 91 states and 98 transitions. [2023-12-02 23:52:55,845 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2023-12-02 23:52:55,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:52:55,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:55,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:55,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:55,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:55,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 93 states and 102 transitions. [2023-12-02 23:52:55,955 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2023-12-02 23:52:55,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:52:55,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:55,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:56,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:56,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:56,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 94 states and 103 transitions. [2023-12-02 23:52:56,248 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2023-12-02 23:52:56,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:52:56,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:56,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:56,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:56,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:56,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 93 states and 102 transitions. [2023-12-02 23:52:56,339 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2023-12-02 23:52:56,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:52:56,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:56,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:56,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:56,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:56,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 92 states and 101 transitions. [2023-12-02 23:52:56,434 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2023-12-02 23:52:56,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:52:56,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:56,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:56,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:56,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:56,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 91 states and 100 transitions. [2023-12-02 23:52:56,484 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2023-12-02 23:52:56,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:52:56,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:56,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:56,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:56,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:56,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 90 states and 99 transitions. [2023-12-02 23:52:56,576 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2023-12-02 23:52:56,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:52:56,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:56,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:56,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:56,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 89 states and 98 transitions. [2023-12-02 23:52:56,628 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2023-12-02 23:52:56,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:52:56,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:56,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:56,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:56,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:56,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 88 states and 97 transitions. [2023-12-02 23:52:56,765 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2023-12-02 23:52:56,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:52:56,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:56,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:56,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:56,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:56,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 87 states and 96 transitions. [2023-12-02 23:52:56,896 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 96 transitions. [2023-12-02 23:52:56,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:52:56,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:56,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:57,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:57,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 86 states and 95 transitions. [2023-12-02 23:52:57,223 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2023-12-02 23:52:57,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:52:57,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:57,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:58,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:58,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 94 states and 108 transitions. [2023-12-02 23:52:58,006 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2023-12-02 23:52:58,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:52:58,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:58,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:58,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:59,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:59,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 102 states and 121 transitions. [2023-12-02 23:52:59,045 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 121 transitions. [2023-12-02 23:52:59,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:52:59,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:59,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:59,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:00,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:00,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 108 states and 128 transitions. [2023-12-02 23:53:00,360 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 128 transitions. [2023-12-02 23:53:00,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:53:00,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:00,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:02,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:02,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 119 states and 154 transitions. [2023-12-02 23:53:02,777 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 154 transitions. [2023-12-02 23:53:02,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:53:02,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:02,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:02,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:04,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:04,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 127 states and 168 transitions. [2023-12-02 23:53:04,434 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 168 transitions. [2023-12-02 23:53:04,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:53:04,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:04,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:04,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:05,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:05,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 131 states and 178 transitions. [2023-12-02 23:53:05,834 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 178 transitions. [2023-12-02 23:53:05,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:53:05,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:05,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:07,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:07,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 135 states and 188 transitions. [2023-12-02 23:53:07,758 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 188 transitions. [2023-12-02 23:53:07,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:53:07,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:07,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:08,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:12,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:12,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 149 states and 219 transitions. [2023-12-02 23:53:12,609 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 219 transitions. [2023-12-02 23:53:12,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:53:12,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:12,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:12,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:17,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:17,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 162 states and 248 transitions. [2023-12-02 23:53:17,353 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 248 transitions. [2023-12-02 23:53:17,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:53:17,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:17,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:18,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:25,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 176 states and 279 transitions. [2023-12-02 23:53:25,033 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 279 transitions. [2023-12-02 23:53:25,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:53:25,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:25,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:25,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:27,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:27,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 179 states and 285 transitions. [2023-12-02 23:53:27,099 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 285 transitions. [2023-12-02 23:53:27,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:53:27,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:27,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:34,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:34,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 186 states and 304 transitions. [2023-12-02 23:53:34,008 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 304 transitions. [2023-12-02 23:53:34,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:53:34,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:34,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:34,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:34,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:34,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 187 states and 306 transitions. [2023-12-02 23:53:34,631 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 306 transitions. [2023-12-02 23:53:34,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:53:34,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:34,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:35,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:35,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:35,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 189 states and 309 transitions. [2023-12-02 23:53:35,893 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 309 transitions. [2023-12-02 23:53:35,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:53:35,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:35,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:35,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:35,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:35,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 188 states and 308 transitions. [2023-12-02 23:53:35,943 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 308 transitions. [2023-12-02 23:53:35,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:53:35,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:35,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:36,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:36,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:36,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 190 states and 311 transitions. [2023-12-02 23:53:36,047 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 311 transitions. [2023-12-02 23:53:36,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:53:36,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:36,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:36,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:36,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:36,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 189 states and 310 transitions. [2023-12-02 23:53:36,111 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 310 transitions. [2023-12-02 23:53:36,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:53:36,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:36,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:36,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:36,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:36,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 190 states and 311 transitions. [2023-12-02 23:53:36,222 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 311 transitions. [2023-12-02 23:53:36,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:53:36,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:36,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:36,506 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:39,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:39,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 191 states and 314 transitions. [2023-12-02 23:53:39,734 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 314 transitions. [2023-12-02 23:53:39,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:53:39,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:39,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:40,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:42,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:42,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 195 states and 320 transitions. [2023-12-02 23:53:42,929 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 320 transitions. [2023-12-02 23:53:42,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:53:42,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:42,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:43,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:53:45,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:45,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 199 states and 328 transitions. [2023-12-02 23:53:45,247 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 328 transitions. [2023-12-02 23:53:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:53:45,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:45,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:46,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:49,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:49,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 203 states and 336 transitions. [2023-12-02 23:53:49,942 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 336 transitions. [2023-12-02 23:53:49,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:53:49,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:49,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:50,199 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:55,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:55,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 103 states and 130 transitions. [2023-12-02 23:53:55,498 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 130 transitions. [2023-12-02 23:53:55,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:53:55,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:55,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:56,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:10,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:10,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 111 states and 144 transitions. [2023-12-02 23:54:10,108 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 144 transitions. [2023-12-02 23:54:10,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:54:10,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:10,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:33,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 119 states and 160 transitions. [2023-12-02 23:54:33,214 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 160 transitions. [2023-12-02 23:54:33,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:54:33,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:33,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:37,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:55:04,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:04,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 127 states and 176 transitions. [2023-12-02 23:55:04,817 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 176 transitions. [2023-12-02 23:55:04,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:55:04,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:04,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:55:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:08,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:08,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 131 states and 181 transitions. [2023-12-02 23:55:08,838 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 181 transitions. [2023-12-02 23:55:08,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:55:08,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:08,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:55:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:10,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:55:23,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:23,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 140 states and 199 transitions. [2023-12-02 23:55:23,712 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 199 transitions. [2023-12-02 23:55:23,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:55:23,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:23,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:55:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:27,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:55:46,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:46,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 149 states and 217 transitions. [2023-12-02 23:55:46,138 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 217 transitions. [2023-12-02 23:55:46,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:55:46,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:46,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:55:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:49,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:56:25,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:25,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 159 states and 238 transitions. [2023-12-02 23:56:25,440 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 238 transitions. [2023-12-02 23:56:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:56:25,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:25,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:56:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:25,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:29,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:29,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 163 states and 243 transitions. [2023-12-02 23:56:29,898 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 243 transitions. [2023-12-02 23:56:29,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:56:29,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:29,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:56:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:29,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:34,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:34,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 166 states and 250 transitions. [2023-12-02 23:56:34,639 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 250 transitions. [2023-12-02 23:56:34,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:56:34,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:34,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:56:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:34,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:40,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:40,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 170 states and 258 transitions. [2023-12-02 23:56:40,048 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 258 transitions. [2023-12-02 23:56:40,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:56:40,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:40,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:56:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:57:36,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:36,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 181 states and 280 transitions. [2023-12-02 23:57:36,000 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 280 transitions. [2023-12-02 23:57:36,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:57:36,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:36,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:57:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:45,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:58:47,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:47,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 193 states and 303 transitions. [2023-12-02 23:58:47,072 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 303 transitions. [2023-12-02 23:58:47,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:58:47,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:47,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:58:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:47,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:59:07,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:07,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 201 states and 323 transitions. [2023-12-02 23:59:07,536 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 323 transitions. [2023-12-02 23:59:07,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:59:07,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:07,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:08,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:59:30,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:30,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 209 states and 344 transitions. [2023-12-02 23:59:30,648 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 344 transitions. [2023-12-02 23:59:30,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:59:30,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:30,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:31,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:59:55,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:55,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 220 states and 369 transitions. [2023-12-02 23:59:55,913 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 369 transitions. [2023-12-02 23:59:55,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:59:55,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:55,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:56,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:59:58,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:58,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 221 states and 369 transitions. [2023-12-02 23:59:58,092 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 369 transitions. [2023-12-02 23:59:58,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:59:58,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:58,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:10,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:01:22,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:22,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 230 states and 387 transitions. [2023-12-03 00:01:22,407 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 387 transitions. [2023-12-03 00:01:22,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 00:01:22,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:22,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:33,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:02:07,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:02:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 235 states and 395 transitions. [2023-12-03 00:02:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 395 transitions. [2023-12-03 00:02:07,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 00:02:07,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:02:07,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:02:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:02:10,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:03:26,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:26,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 249 states and 426 transitions. [2023-12-03 00:03:26,681 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 426 transitions. [2023-12-03 00:03:26,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 00:03:26,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:26,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:03:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:26,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:03:34,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 253 states and 434 transitions. [2023-12-03 00:03:34,181 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 434 transitions. [2023-12-03 00:03:34,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:03:34,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:34,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:03:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:34,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:04:00,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:00,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 262 states and 454 transitions. [2023-12-03 00:04:00,595 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 454 transitions. [2023-12-03 00:04:00,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:04:00,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:00,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:00,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:04:25,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:25,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 271 states and 471 transitions. [2023-12-03 00:04:25,568 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 471 transitions. [2023-12-03 00:04:25,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:04:25,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:25,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:25,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:04:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:53,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 280 states and 488 transitions. [2023-12-03 00:04:53,476 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 488 transitions. [2023-12-03 00:04:53,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:04:53,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:53,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:05,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:05:47,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:47,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 290 states and 530 transitions. [2023-12-03 00:05:47,325 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 530 transitions. [2023-12-03 00:05:47,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:05:47,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:47,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:04,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.