./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrpbrk_diffterm_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_df5b35c5-4440-4e27-ac8a-4eaccd5d112c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5b35c5-4440-4e27-ac8a-4eaccd5d112c/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5b35c5-4440-4e27-ac8a-4eaccd5d112c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5b35c5-4440-4e27-ac8a-4eaccd5d112c/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrpbrk_diffterm_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5b35c5-4440-4e27-ac8a-4eaccd5d112c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5b35c5-4440-4e27-ac8a-4eaccd5d112c/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4b11c9964533b446d4a410c2e05b424a11d24fa8de6ca154a41c04142b1e6007 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:33,220 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:33,357 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5b35c5-4440-4e27-ac8a-4eaccd5d112c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 23:09:33,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:33,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:33,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:33,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:33,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:33,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:33,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:33,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:33,414 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:09:33,414 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:09:33,416 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:09:33,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:33,417 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:09:33,417 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:33,417 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:33,418 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:33,418 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:33,419 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:33,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:33,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:33,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:33,422 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:33,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:33,423 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_df5b35c5-4440-4e27-ac8a-4eaccd5d112c/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5b35c5-4440-4e27-ac8a-4eaccd5d112c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b11c9964533b446d4a410c2e05b424a11d24fa8de6ca154a41c04142b1e6007 [2023-11-24 23:09:33,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:33,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:33,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:33,742 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:33,743 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:33,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5b35c5-4440-4e27-ac8a-4eaccd5d112c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-15/cstrpbrk_diffterm_alloca.i [2023-11-24 23:09:36,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:37,219 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:37,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5b35c5-4440-4e27-ac8a-4eaccd5d112c/sv-benchmarks/c/termination-15/cstrpbrk_diffterm_alloca.i [2023-11-24 23:09:37,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5b35c5-4440-4e27-ac8a-4eaccd5d112c/bin/ukojak-verify-afCqCEvfdi/data/08b0d8117/c47a644ed53b419fad166ea14e62d226/FLAGdcc8a2913 [2023-11-24 23:09:37,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5b35c5-4440-4e27-ac8a-4eaccd5d112c/bin/ukojak-verify-afCqCEvfdi/data/08b0d8117/c47a644ed53b419fad166ea14e62d226 [2023-11-24 23:09:37,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:37,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:37,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:37,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:37,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:37,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f869b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37, skipping insertion in model container [2023-11-24 23:09:37,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,337 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:37,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:37,715 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:37,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:37,793 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:37,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37 WrapperNode [2023-11-24 23:09:37,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:37,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:37,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:37,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:37,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,841 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2023-11-24 23:09:37,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:37,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:37,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:37,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:37,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,861 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:37,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:37,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:37,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:37,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:37,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5b35c5-4440-4e27-ac8a-4eaccd5d112c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:37,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5b35c5-4440-4e27-ac8a-4eaccd5d112c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:37,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5b35c5-4440-4e27-ac8a-4eaccd5d112c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:09:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:09:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:09:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:09:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:37,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:38,077 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:38,079 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:38,340 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:38,437 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:38,438 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:09:38,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:38 BoogieIcfgContainer [2023-11-24 23:09:38,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:38,441 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:38,441 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:38,471 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:38,471 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:38,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:09:38,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:38,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2023-11-24 23:09:38,558 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2023-11-24 23:09:38,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:09:38,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:38,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:38,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:38,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:38,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2023-11-24 23:09:38,943 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2023-11-24 23:09:38,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:09:38,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:38,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:39,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:39,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:39,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2023-11-24 23:09:39,601 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2023-11-24 23:09:39,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:09:39,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:39,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:39,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:39,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:39,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-24 23:09:39,917 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-24 23:09:39,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:09:39,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:39,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:40,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:40,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:40,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2023-11-24 23:09:40,640 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-24 23:09:40,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:09:40,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:40,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:40,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:40,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-24 23:09:40,995 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-24 23:09:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:09:40,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:40,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:41,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:41,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:41,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2023-11-24 23:09:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-24 23:09:41,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:09:41,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:41,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:41,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:41,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:41,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2023-11-24 23:09:41,807 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-11-24 23:09:41,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:09:41,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:41,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:41,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:41,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:41,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2023-11-24 23:09:41,988 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-11-24 23:09:41,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:09:41,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:41,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:42,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:42,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2023-11-24 23:09:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-11-24 23:09:42,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:09:42,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:42,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:42,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:44,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2023-11-24 23:09:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2023-11-24 23:09:44,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:09:44,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:44,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:46,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:46,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2023-11-24 23:09:46,650 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2023-11-24 23:09:46,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:09:46,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:46,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:46,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:46,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:46,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 61 transitions. [2023-11-24 23:09:46,705 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2023-11-24 23:09:46,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:09:46,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:46,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:46,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:46,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:46,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2023-11-24 23:09:46,759 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2023-11-24 23:09:46,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:09:46,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:46,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:46,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:46,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:46,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2023-11-24 23:09:46,811 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2023-11-24 23:09:46,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:09:46,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:46,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:47,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:49,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:49,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2023-11-24 23:09:49,120 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2023-11-24 23:09:49,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:09:49,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:49,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:49,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 75 transitions. [2023-11-24 23:09:49,667 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2023-11-24 23:09:49,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:09:49,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:49,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:49,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:49,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:49,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 73 transitions. [2023-11-24 23:09:49,970 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 73 transitions. [2023-11-24 23:09:49,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:09:49,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:49,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:54,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:54,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2023-11-24 23:09:54,448 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2023-11-24 23:09:54,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:09:54,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:54,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:55,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:58,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:58,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 60 states and 95 transitions. [2023-11-24 23:09:58,909 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 95 transitions. [2023-11-24 23:09:58,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:09:58,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:58,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:58,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:01,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:01,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 65 states and 106 transitions. [2023-11-24 23:10:01,941 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 106 transitions. [2023-11-24 23:10:01,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:10:01,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:01,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:03,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:13,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:13,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 75 states and 125 transitions. [2023-11-24 23:10:13,613 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 125 transitions. [2023-11-24 23:10:13,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:10:13,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:13,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:13,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:18,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:18,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 81 states and 139 transitions. [2023-11-24 23:10:18,861 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 139 transitions. [2023-11-24 23:10:18,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:10:18,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:18,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:19,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:19,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:19,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 82 states and 141 transitions. [2023-11-24 23:10:19,917 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2023-11-24 23:10:19,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:10:19,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:19,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:20,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:20,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 83 states and 142 transitions. [2023-11-24 23:10:20,605 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 142 transitions. [2023-11-24 23:10:20,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:10:20,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:20,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:20,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:10:21,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:21,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 82 states and 141 transitions. [2023-11-24 23:10:21,402 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2023-11-24 23:10:21,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:10:21,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:21,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:23,705 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.