./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/substring-alloca-2.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_075c6b7d-2fe9-478c-9f50-2b821650fa9f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075c6b7d-2fe9-478c-9f50-2b821650fa9f/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_075c6b7d-2fe9-478c-9f50-2b821650fa9f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075c6b7d-2fe9-478c-9f50-2b821650fa9f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/substring-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075c6b7d-2fe9-478c-9f50-2b821650fa9f/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_075c6b7d-2fe9-478c-9f50-2b821650fa9f/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 4cb6276eff0c60579b1d5f7034948eb4f53891709ff48cdd11b3329ec3c4cc2e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:52:04,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:52:04,709 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075c6b7d-2fe9-478c-9f50-2b821650fa9f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 23:52:04,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:52:04,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:52:04,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:52:04,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:52:04,736 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:52:04,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:52:04,737 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:52:04,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:52:04,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:52:04,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:52:04,739 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:52:04,740 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:52:04,740 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 23:52:04,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:52:04,741 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:52:04,741 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:52:04,742 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:52:04,742 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:52:04,744 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:52:04,745 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:52:04,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:52:04,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:52:04,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:52:04,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:52:04,746 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:52:04,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:52:04,747 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_075c6b7d-2fe9-478c-9f50-2b821650fa9f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075c6b7d-2fe9-478c-9f50-2b821650fa9f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cb6276eff0c60579b1d5f7034948eb4f53891709ff48cdd11b3329ec3c4cc2e [2023-12-02 23:52:04,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:52:04,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:52:05,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:52:05,002 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:52:05,002 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:52:05,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075c6b7d-2fe9-478c-9f50-2b821650fa9f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/array-memsafety/substring-alloca-2.i [2023-12-02 23:52:07,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:52:07,965 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:52:07,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075c6b7d-2fe9-478c-9f50-2b821650fa9f/sv-benchmarks/c/array-memsafety/substring-alloca-2.i [2023-12-02 23:52:07,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075c6b7d-2fe9-478c-9f50-2b821650fa9f/bin/ukojak-verify-Qdu7aM0XO9/data/5c933e2cb/b073d325a82e4b87803162bec23b0973/FLAG280e0b639 [2023-12-02 23:52:07,993 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075c6b7d-2fe9-478c-9f50-2b821650fa9f/bin/ukojak-verify-Qdu7aM0XO9/data/5c933e2cb/b073d325a82e4b87803162bec23b0973 [2023-12-02 23:52:07,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:52:07,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:52:07,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:52:07,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:52:08,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:52:08,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:52:07" (1/1) ... [2023-12-02 23:52:08,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e20e615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:08, skipping insertion in model container [2023-12-02 23:52:08,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:52:07" (1/1) ... [2023-12-02 23:52:08,054 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:52:08,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:52:08,338 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:52:08,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:52:08,401 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:52:08,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:08 WrapperNode [2023-12-02 23:52:08,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:52:08,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:52:08,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:52:08,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:52:08,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:08" (1/1) ... [2023-12-02 23:52:08,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:08" (1/1) ... [2023-12-02 23:52:08,445 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 109 [2023-12-02 23:52:08,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:52:08,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:52:08,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:52:08,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:52:08,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:08" (1/1) ... [2023-12-02 23:52:08,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:08" (1/1) ... [2023-12-02 23:52:08,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:08" (1/1) ... [2023-12-02 23:52:08,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:08" (1/1) ... [2023-12-02 23:52:08,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:08" (1/1) ... [2023-12-02 23:52:08,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:08" (1/1) ... [2023-12-02 23:52:08,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:08" (1/1) ... [2023-12-02 23:52:08,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:08" (1/1) ... [2023-12-02 23:52:08,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:52:08,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:52:08,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:52:08,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:52:08,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:08" (1/1) ... [2023-12-02 23:52:08,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:52:08,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075c6b7d-2fe9-478c-9f50-2b821650fa9f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:52:08,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075c6b7d-2fe9-478c-9f50-2b821650fa9f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:52:08,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075c6b7d-2fe9-478c-9f50-2b821650fa9f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:52:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:52:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:52:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:52:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:52:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:52:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:52:08,651 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:52:08,653 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:52:08,870 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:52:08,928 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:52:08,929 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 23:52:08,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:52:08 BoogieIcfgContainer [2023-12-02 23:52:08,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:52:08,931 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:52:08,931 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:52:08,939 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:52:08,940 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:52:08" (1/1) ... [2023-12-02 23:52:08,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:52:08,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:08,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2023-12-02 23:52:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-12-02 23:52:08,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:52:08,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:08,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:09,285 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 23:52:09,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:09,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2023-12-02 23:52:09,320 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-12-02 23:52:09,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:52:09,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:09,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:09,587 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 23:52:09,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:09,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2023-12-02 23:52:09,856 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2023-12-02 23:52:09,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:52:09,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:09,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:09,936 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 23:52:09,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:09,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2023-12-02 23:52:09,959 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2023-12-02 23:52:09,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:52:09,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:09,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:10,232 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 23:52:10,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2023-12-02 23:52:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2023-12-02 23:52:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:52:10,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:10,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:10,768 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 23:52:11,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:11,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2023-12-02 23:52:11,157 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2023-12-02 23:52:11,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:52:11,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:11,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:12,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:12,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2023-12-02 23:52:12,293 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2023-12-02 23:52:12,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:52:12,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:12,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:12,337 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 23:52:12,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:12,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2023-12-02 23:52:12,369 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2023-12-02 23:52:12,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:52:12,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:12,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:12,690 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 23:52:14,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:14,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2023-12-02 23:52:14,409 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2023-12-02 23:52:14,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:52:14,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:14,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:14,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:16,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:16,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2023-12-02 23:52:16,111 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-12-02 23:52:16,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:52:16,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:16,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:16,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:16,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:16,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 57 states and 95 transitions. [2023-12-02 23:52:16,631 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 95 transitions. [2023-12-02 23:52:16,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:52:16,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:16,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:16,917 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 23:52:18,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:18,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2023-12-02 23:52:18,632 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2023-12-02 23:52:18,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:52:18,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:18,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:18,758 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 23:52:19,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:19,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 62 states and 106 transitions. [2023-12-02 23:52:19,148 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 106 transitions. [2023-12-02 23:52:19,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:52:19,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:19,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:19,468 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 23:52:20,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:20,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 108 transitions. [2023-12-02 23:52:20,120 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2023-12-02 23:52:20,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:52:20,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:20,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:20,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:23,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:23,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 67 states and 123 transitions. [2023-12-02 23:52:23,787 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 123 transitions. [2023-12-02 23:52:23,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:52:23,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:23,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:23,836 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 23:52:24,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:24,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 127 transitions. [2023-12-02 23:52:24,641 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 127 transitions. [2023-12-02 23:52:24,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:52:24,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:24,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:25,337 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 23:52:26,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:26,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 69 states and 134 transitions. [2023-12-02 23:52:26,914 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 134 transitions. [2023-12-02 23:52:26,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:52:26,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:26,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:26,995 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 23:52:28,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:28,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 70 states and 137 transitions. [2023-12-02 23:52:28,100 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 137 transitions. [2023-12-02 23:52:28,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:52:28,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:28,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:29,153 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 23:52:32,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:32,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 73 states and 148 transitions. [2023-12-02 23:52:32,363 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 148 transitions. [2023-12-02 23:52:32,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:52:32,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:32,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:32,469 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 23:52:34,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:34,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 74 states and 151 transitions. [2023-12-02 23:52:34,068 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 151 transitions. [2023-12-02 23:52:34,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:52:34,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:34,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:34,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:36,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:36,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 71 states and 141 transitions. [2023-12-02 23:52:36,920 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 141 transitions. [2023-12-02 23:52:36,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:52:36,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:36,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:37,272 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 23:52:38,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:38,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 74 states and 147 transitions. [2023-12-02 23:52:38,064 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 147 transitions. [2023-12-02 23:52:38,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:52:38,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:38,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:38,611 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 23:52:40,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:40,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 77 states and 155 transitions. [2023-12-02 23:52:40,561 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 155 transitions. [2023-12-02 23:52:40,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:52:40,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:40,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:41,180 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 23:52:44,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:44,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 81 states and 169 transitions. [2023-12-02 23:52:44,421 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 169 transitions. [2023-12-02 23:52:44,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:52:44,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:44,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:44,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:45,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:45,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 82 states and 169 transitions. [2023-12-02 23:52:45,072 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2023-12-02 23:52:45,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:52:45,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:45,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:45,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:52:48,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:48,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 86 states and 179 transitions. [2023-12-02 23:52:48,654 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 179 transitions. [2023-12-02 23:52:48,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:52:48,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:48,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:49,492 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:51,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:51,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 87 states and 179 transitions. [2023-12-02 23:52:51,869 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 179 transitions. [2023-12-02 23:52:51,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:52:51,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:51,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:52,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:55,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:55,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 89 states and 187 transitions. [2023-12-02 23:52:55,290 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 187 transitions. [2023-12-02 23:52:55,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:52:55,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:55,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:56,330 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 23:52:59,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:59,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 91 states and 192 transitions. [2023-12-02 23:52:59,400 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 192 transitions. [2023-12-02 23:52:59,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:52:59,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:59,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:00,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:03,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 86 states and 170 transitions. [2023-12-02 23:53:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 170 transitions. [2023-12-02 23:53:03,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:53:03,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:03,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:03,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:53:04,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:04,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 83 states and 163 transitions. [2023-12-02 23:53:04,087 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 163 transitions. [2023-12-02 23:53:04,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:53:04,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:04,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:04,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:53:07,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:07,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 85 states and 169 transitions. [2023-12-02 23:53:07,314 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 169 transitions. [2023-12-02 23:53:07,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:53:07,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:07,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:11,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:11,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 85 states and 168 transitions. [2023-12-02 23:53:11,611 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 168 transitions. [2023-12-02 23:53:11,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:53:11,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:11,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:12,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:53:13,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:13,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 86 states and 168 transitions. [2023-12-02 23:53:13,811 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 168 transitions. [2023-12-02 23:53:13,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:53:13,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:13,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:14,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:20,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:20,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 94 states and 190 transitions. [2023-12-02 23:53:20,840 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 190 transitions. [2023-12-02 23:53:20,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:53:20,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:20,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:20,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:20,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:20,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 93 states and 189 transitions. [2023-12-02 23:53:20,873 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 189 transitions. [2023-12-02 23:53:20,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:53:20,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:20,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:21,385 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 23:53:21,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:21,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 95 states and 192 transitions. [2023-12-02 23:53:21,886 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 192 transitions. [2023-12-02 23:53:21,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:53:21,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:21,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:23,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:25,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:25,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2023-12-02 23:53:25,562 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2023-12-02 23:53:25,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:53:25,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:25,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:25,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:27,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:27,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 57 states and 88 transitions. [2023-12-02 23:53:27,829 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 88 transitions. [2023-12-02 23:53:27,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:53:27,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:27,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:32,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:32,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 61 states and 95 transitions. [2023-12-02 23:53:32,616 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 95 transitions. [2023-12-02 23:53:32,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:53:32,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:32,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:32,877 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 23:53:33,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:33,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 62 states and 96 transitions. [2023-12-02 23:53:33,144 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 96 transitions. [2023-12-02 23:53:33,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:53:33,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:33,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:33,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:53:34,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:34,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 64 states and 99 transitions. [2023-12-02 23:53:34,049 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 99 transitions. [2023-12-02 23:53:34,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:53:34,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:34,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:34,078 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 23:53:35,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:35,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 66 states and 102 transitions. [2023-12-02 23:53:35,082 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 102 transitions. [2023-12-02 23:53:35,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:53:35,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:35,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:35,172 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 23:53:37,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:37,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 68 states and 105 transitions. [2023-12-02 23:53:37,876 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2023-12-02 23:53:37,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:53:37,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:37,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:37,945 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 23:53:40,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:40,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 69 states and 107 transitions. [2023-12-02 23:53:40,891 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2023-12-02 23:53:40,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:53:40,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:40,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:40,935 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 23:53:42,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:42,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 70 states and 109 transitions. [2023-12-02 23:53:42,027 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 109 transitions. [2023-12-02 23:53:42,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:53:42,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:42,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:43,652 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 23:53:52,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:52,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2023-12-02 23:53:52,254 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2023-12-02 23:53:52,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:53:52,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:52,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:52,889 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 23:53:56,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:56,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 79 states and 126 transitions. [2023-12-02 23:53:56,868 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 126 transitions. [2023-12-02 23:53:56,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:53:56,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:56,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:57,282 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 23:54:03,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:03,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 84 states and 135 transitions. [2023-12-02 23:54:03,382 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2023-12-02 23:54:03,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:54:03,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:03,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:03,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:54:05,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:05,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 135 transitions. [2023-12-02 23:54:05,097 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2023-12-02 23:54:05,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:54:05,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:05,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:05,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:54:06,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:06,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 78 states and 124 transitions. [2023-12-02 23:54:06,793 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 124 transitions. [2023-12-02 23:54:06,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:54:06,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:06,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:08,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:20,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:20,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 86 states and 143 transitions. [2023-12-02 23:54:20,470 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 143 transitions. [2023-12-02 23:54:20,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:54:20,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:20,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:22,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:22,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 86 states and 141 transitions. [2023-12-02 23:54:22,104 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 141 transitions. [2023-12-02 23:54:22,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:54:22,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:22,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:22,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:29,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:29,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 93 states and 155 transitions. [2023-12-02 23:54:29,390 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 155 transitions. [2023-12-02 23:54:29,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:54:29,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:29,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:29,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:54:30,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:30,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 92 states and 154 transitions. [2023-12-02 23:54:30,938 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 154 transitions. [2023-12-02 23:54:30,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:54:30,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:30,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:33,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:55,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:55,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 103 states and 175 transitions. [2023-12-02 23:54:55,599 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 175 transitions. [2023-12-02 23:54:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:54:55,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:55,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:55,632 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:54:58,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:58,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 106 states and 180 transitions. [2023-12-02 23:54:58,153 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 180 transitions. [2023-12-02 23:54:58,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:54:58,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:58,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:00,295 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:55:23,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:23,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 118 states and 204 transitions. [2023-12-02 23:55:23,267 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 204 transitions. [2023-12-02 23:55:23,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:55:23,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:23,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:55:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:23,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:55:25,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:25,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 120 states and 206 transitions. [2023-12-02 23:55:25,030 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 206 transitions. [2023-12-02 23:55:25,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:55:25,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:25,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:55:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:25,302 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:55:27,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:27,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 121 states and 206 transitions. [2023-12-02 23:55:27,670 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 206 transitions. [2023-12-02 23:55:27,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:55:27,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:27,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:55:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:30,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:52,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:52,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 130 states and 226 transitions. [2023-12-02 23:55:52,639 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 226 transitions. [2023-12-02 23:55:52,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:55:52,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:52,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:55:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:52,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:55:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:57,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 132 states and 229 transitions. [2023-12-02 23:55:57,795 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 229 transitions. [2023-12-02 23:55:57,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:55:57,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:57,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:55:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:03,900 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:56:34,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:34,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 141 states and 244 transitions. [2023-12-02 23:56:34,547 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 244 transitions. [2023-12-02 23:56:34,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:56:34,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:34,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:56:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:36,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:52,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:52,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 149 states and 262 transitions. [2023-12-02 23:56:52,921 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 262 transitions. [2023-12-02 23:56:52,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:56:52,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:52,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:56:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:53,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:56:59,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:59,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 149 states and 260 transitions. [2023-12-02 23:56:59,709 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 260 transitions. [2023-12-02 23:56:59,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:56:59,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:59,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:56:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:00,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:57:16,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:16,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 158 states and 278 transitions. [2023-12-02 23:57:16,577 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 278 transitions. [2023-12-02 23:57:16,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:57:16,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:16,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:57:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:18,612 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:57:35,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:35,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 166 states and 297 transitions. [2023-12-02 23:57:35,461 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 297 transitions. [2023-12-02 23:57:35,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:57:35,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:35,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:57:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:35,500 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:57:51,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:51,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 174 states and 313 transitions. [2023-12-02 23:57:51,069 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 313 transitions. [2023-12-02 23:57:51,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:57:51,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:51,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:57:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:51,089 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:57:52,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:52,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 172 states and 310 transitions. [2023-12-02 23:57:52,909 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 310 transitions. [2023-12-02 23:57:52,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:57:52,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:52,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:57:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:52,924 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:57:54,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:54,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 172 states and 309 transitions. [2023-12-02 23:57:54,725 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 309 transitions. [2023-12-02 23:57:54,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:57:54,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:54,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:57:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:54,762 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:57:56,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:56,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 173 states and 310 transitions. [2023-12-02 23:57:56,460 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 310 transitions. [2023-12-02 23:57:56,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:57:56,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:56,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:57:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:58,273 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:58:21,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 182 states and 326 transitions. [2023-12-02 23:58:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 326 transitions. [2023-12-02 23:58:21,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:58:21,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:21,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:58:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:21,184 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:58:29,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:29,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 186 states and 331 transitions. [2023-12-02 23:58:29,779 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 331 transitions. [2023-12-02 23:58:29,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:58:29,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:29,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:58:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:29,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:58:40,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:40,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 190 states and 340 transitions. [2023-12-02 23:58:40,347 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 340 transitions. [2023-12-02 23:58:40,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:58:40,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:40,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:58:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:59:15,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:15,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 202 states and 369 transitions. [2023-12-02 23:59:15,223 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 369 transitions. [2023-12-02 23:59:15,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:59:15,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:15,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:15,342 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:59:29,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:29,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 208 states and 380 transitions. [2023-12-02 23:59:29,936 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 380 transitions. [2023-12-02 23:59:29,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:59:29,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:29,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:30,005 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:59:43,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:43,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 214 states and 394 transitions. [2023-12-02 23:59:43,425 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 394 transitions. [2023-12-02 23:59:43,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:59:43,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:43,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:43,522 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 23:59:52,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:52,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 218 states and 398 transitions. [2023-12-02 23:59:52,579 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 398 transitions. [2023-12-02 23:59:52,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:59:52,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:52,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:53,769 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:00:20,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 229 states and 423 transitions. [2023-12-03 00:00:20,540 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 423 transitions. [2023-12-03 00:00:20,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:00:20,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:20,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:00:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:20,629 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:00:37,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:37,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 236 states and 441 transitions. [2023-12-03 00:00:37,811 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 441 transitions. [2023-12-03 00:00:37,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:00:37,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:37,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:00:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:01:02,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:02,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 241 states and 446 transitions. [2023-12-03 00:01:02,891 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 446 transitions. [2023-12-03 00:01:02,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:01:02,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:02,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:01:12,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:12,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 245 states and 451 transitions. [2023-12-03 00:01:12,991 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 451 transitions. [2023-12-03 00:01:12,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:01:12,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:12,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:13,029 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:01:21,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:21,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 246 states and 453 transitions. [2023-12-03 00:01:21,355 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 453 transitions. [2023-12-03 00:01:21,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:01:21,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:21,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 00:01:23,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:23,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 246 states and 452 transitions. [2023-12-03 00:01:23,452 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 452 transitions. [2023-12-03 00:01:23,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:01:23,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:23,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:38,467 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:02:16,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:02:16,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 253 states and 479 transitions. [2023-12-03 00:02:16,522 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 479 transitions. [2023-12-03 00:02:16,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:02:16,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:02:16,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:02:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:02:31,162 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:03:19,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:19,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 263 states and 499 transitions. [2023-12-03 00:03:19,473 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 499 transitions. [2023-12-03 00:03:19,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:03:19,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:19,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:03:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:19,514 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:03:48,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:48,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 274 states and 522 transitions. [2023-12-03 00:03:48,308 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 522 transitions. [2023-12-03 00:03:48,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:03:48,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:48,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:03:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:00,469 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:05:09,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:09,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 290 states and 562 transitions. [2023-12-03 00:05:09,277 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 562 transitions. [2023-12-03 00:05:09,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:05:09,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:09,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:05:43,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:43,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 301 states and 588 transitions. [2023-12-03 00:05:43,910 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 588 transitions. [2023-12-03 00:05:43,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:05:43,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:43,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:05:55,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 305 states and 594 transitions. [2023-12-03 00:05:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 594 transitions. [2023-12-03 00:05:55,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:05:55,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:55,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat