./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585de381-c527-49bc-ad7e-f71d81d39c8a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585de381-c527-49bc-ad7e-f71d81d39c8a/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_585de381-c527-49bc-ad7e-f71d81d39c8a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585de381-c527-49bc-ad7e-f71d81d39c8a/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585de381-c527-49bc-ad7e-f71d81d39c8a/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_585de381-c527-49bc-ad7e-f71d81d39c8a/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 f5c3252c23e9c49e7b3cce6858e3c801f843203fda4604e23c25c5a714e6a2c0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:23,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:23,922 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585de381-c527-49bc-ad7e-f71d81d39c8a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 22:56:23,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:23,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:23,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:23,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:23,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:23,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:23,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:23,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:23,992 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:56:23,992 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:56:23,994 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:56:23,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:23,995 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:23,995 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:23,996 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:23,996 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:23,997 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:23,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:23,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:23,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:24,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:24,002 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:24,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:24,003 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_585de381-c527-49bc-ad7e-f71d81d39c8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585de381-c527-49bc-ad7e-f71d81d39c8a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5c3252c23e9c49e7b3cce6858e3c801f843203fda4604e23c25c5a714e6a2c0 [2023-11-24 22:56:24,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:24,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:24,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:24,305 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:24,306 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:24,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585de381-c527-49bc-ad7e-f71d81d39c8a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2023-11-24 22:56:27,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:27,938 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:27,939 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585de381-c527-49bc-ad7e-f71d81d39c8a/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2023-11-24 22:56:27,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585de381-c527-49bc-ad7e-f71d81d39c8a/bin/ukojak-verify-afCqCEvfdi/data/af68c162d/a8b18d935d634c7f855d6076fd90c37b/FLAGdd00283e8 [2023-11-24 22:56:28,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585de381-c527-49bc-ad7e-f71d81d39c8a/bin/ukojak-verify-afCqCEvfdi/data/af68c162d/a8b18d935d634c7f855d6076fd90c37b [2023-11-24 22:56:28,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:28,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:28,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:28,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:28,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:28,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:28" (1/1) ... [2023-11-24 22:56:28,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120b1db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:28, skipping insertion in model container [2023-11-24 22:56:28,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:28" (1/1) ... [2023-11-24 22:56:28,138 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:29,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:29,418 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:29,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:29,795 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:29,796 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:29,804 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:29,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:29 WrapperNode [2023-11-24 22:56:29,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:29,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:29,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:29,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:29,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:29" (1/1) ... [2023-11-24 22:56:29,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:29" (1/1) ... [2023-11-24 22:56:29,932 INFO L138 Inliner]: procedures = 574, calls = 148, calls flagged for inlining = 28, calls inlined = 24, statements flattened = 578 [2023-11-24 22:56:29,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:29,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:29,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:29,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:29,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:29" (1/1) ... [2023-11-24 22:56:29,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:29" (1/1) ... [2023-11-24 22:56:29,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:29" (1/1) ... [2023-11-24 22:56:29,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:29" (1/1) ... [2023-11-24 22:56:29,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:29" (1/1) ... [2023-11-24 22:56:29,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:29" (1/1) ... [2023-11-24 22:56:29,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:29" (1/1) ... [2023-11-24 22:56:29,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:29" (1/1) ... [2023-11-24 22:56:30,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:30,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:30,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:30,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:30,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:29" (1/1) ... [2023-11-24 22:56:30,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:30,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585de381-c527-49bc-ad7e-f71d81d39c8a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:30,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585de381-c527-49bc-ad7e-f71d81d39c8a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:30,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585de381-c527-49bc-ad7e-f71d81d39c8a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-24 22:56:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 22:56:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:56:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:56:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:56:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-24 22:56:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:56:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 22:56:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 22:56:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:56:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:56:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:56:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:30,462 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:30,465 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:31,491 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:31,714 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:31,714 INFO L309 CfgBuilder]: Removed 13 assume(true) statements. [2023-11-24 22:56:31,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:31 BoogieIcfgContainer [2023-11-24 22:56:31,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:31,718 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:31,718 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:31,729 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:31,730 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:31" (1/1) ... [2023-11-24 22:56:31,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:31,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:31,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 327 states and 366 transitions. [2023-11-24 22:56:31,829 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 366 transitions. [2023-11-24 22:56:31,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:56:31,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:31,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:32,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:32,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:32,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 326 states and 365 transitions. [2023-11-24 22:56:32,441 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 365 transitions. [2023-11-24 22:56:32,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:56:32,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:32,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:32,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:32,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:32,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 325 states and 364 transitions. [2023-11-24 22:56:32,765 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 364 transitions. [2023-11-24 22:56:32,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:56:32,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:32,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:32,911 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 22:56:32,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:32,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 326 states and 366 transitions. [2023-11-24 22:56:32,958 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 366 transitions. [2023-11-24 22:56:32,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:56:32,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:32,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:33,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:33,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 327 states and 368 transitions. [2023-11-24 22:56:33,168 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 368 transitions. [2023-11-24 22:56:33,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:56:33,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:33,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:33,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:33,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:33,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 329 states and 370 transitions. [2023-11-24 22:56:33,890 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 370 transitions. [2023-11-24 22:56:33,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:56:33,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:33,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:34,054 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 22:56:34,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:34,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 330 states and 373 transitions. [2023-11-24 22:56:34,174 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 373 transitions. [2023-11-24 22:56:34,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:56:34,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:34,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:34,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:34,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:34,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 330 states and 372 transitions. [2023-11-24 22:56:34,385 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 372 transitions. [2023-11-24 22:56:34,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:56:34,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:34,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:34,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:35,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:35,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 332 states and 375 transitions. [2023-11-24 22:56:35,278 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 375 transitions. [2023-11-24 22:56:35,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:56:35,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:35,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:35,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:35,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:35,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 334 states and 380 transitions. [2023-11-24 22:56:35,642 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 380 transitions. [2023-11-24 22:56:35,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:56:35,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:35,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:35,725 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:35,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:35,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 334 states and 379 transitions. [2023-11-24 22:56:35,881 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 379 transitions. [2023-11-24 22:56:35,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:56:35,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:35,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:37,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 336 states and 383 transitions. [2023-11-24 22:56:37,016 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 383 transitions. [2023-11-24 22:56:37,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:56:37,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:37,247 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:37,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 338 states and 390 transitions. [2023-11-24 22:56:37,605 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 390 transitions. [2023-11-24 22:56:37,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:56:37,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:37,873 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:38,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:38,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 340 states and 393 transitions. [2023-11-24 22:56:38,562 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 393 transitions. [2023-11-24 22:56:38,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:56:38,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:38,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:38,632 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:56:38,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:38,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 340 states and 392 transitions. [2023-11-24 22:56:38,876 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 392 transitions. [2023-11-24 22:56:38,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:56:38,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:38,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:39,012 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:39,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:39,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 341 states and 392 transitions. [2023-11-24 22:56:39,295 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 392 transitions. [2023-11-24 22:56:39,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:56:39,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:39,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:39,505 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:40,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:40,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 343 states and 400 transitions. [2023-11-24 22:56:40,007 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 400 transitions. [2023-11-24 22:56:40,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:56:40,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:40,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:40,609 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:41,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:41,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 346 states and 401 transitions. [2023-11-24 22:56:41,488 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 401 transitions. [2023-11-24 22:56:41,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:56:41,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:41,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:41,565 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:56:41,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:41,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 346 states and 400 transitions. [2023-11-24 22:56:41,805 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 400 transitions. [2023-11-24 22:56:41,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:56:41,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:41,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:42,430 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:56:45,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:45,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 349 states and 412 transitions. [2023-11-24 22:56:45,451 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 412 transitions. [2023-11-24 22:56:45,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:56:45,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:45,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:46,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:46,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 351 states and 421 transitions. [2023-11-24 22:56:46,550 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 421 transitions. [2023-11-24 22:56:46,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:56:46,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:46,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:46,683 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 22:56:47,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:47,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 351 states and 420 transitions. [2023-11-24 22:56:47,038 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 420 transitions. [2023-11-24 22:56:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:56:47,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:47,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:47,554 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:48,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:48,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 353 states and 425 transitions. [2023-11-24 22:56:48,906 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 425 transitions. [2023-11-24 22:56:48,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:56:48,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:48,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:49,176 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:50,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 355 states and 438 transitions. [2023-11-24 22:56:50,132 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 438 transitions. [2023-11-24 22:56:50,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:56:50,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:50,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:51,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:51,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 357 states and 448 transitions. [2023-11-24 22:56:51,207 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 448 transitions. [2023-11-24 22:56:51,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:56:51,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:51,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:51,850 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:53,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:53,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 359 states and 451 transitions. [2023-11-24 22:56:53,112 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 451 transitions. [2023-11-24 22:56:53,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:56:53,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:53,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:54,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:54,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 361 states and 456 transitions. [2023-11-24 22:56:54,995 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 456 transitions. [2023-11-24 22:56:54,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:56:54,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:54,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-24 22:56:55,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 361 states and 455 transitions. [2023-11-24 22:56:55,607 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 455 transitions. [2023-11-24 22:56:55,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:56:55,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:55,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:56,280 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:57,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:57,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 362 states and 455 transitions. [2023-11-24 22:56:57,122 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 455 transitions. [2023-11-24 22:56:57,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:56:57,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:57,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:57,441 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:58,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:58,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 364 states and 467 transitions. [2023-11-24 22:56:58,349 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 467 transitions. [2023-11-24 22:56:58,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:56:58,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:58,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:58,789 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:59,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:59,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 365 states and 468 transitions. [2023-11-24 22:56:59,411 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 468 transitions. [2023-11-24 22:56:59,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:56:59,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:59,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:59,507 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 22:57:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 365 states and 467 transitions. [2023-11-24 22:57:00,050 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 467 transitions. [2023-11-24 22:57:00,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:57:00,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:00,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:00,415 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:01,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:01,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 367 states and 480 transitions. [2023-11-24 22:57:01,561 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 480 transitions. [2023-11-24 22:57:01,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:57:01,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:01,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:01,662 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-24 22:57:02,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:02,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 367 states and 479 transitions. [2023-11-24 22:57:02,226 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 479 transitions. [2023-11-24 22:57:02,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:57:02,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:02,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:02,815 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:04,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:04,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 369 states and 484 transitions. [2023-11-24 22:57:04,660 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 484 transitions. [2023-11-24 22:57:04,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:57:04,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:04,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:05,078 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:06,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 371 states and 493 transitions. [2023-11-24 22:57:06,302 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 493 transitions. [2023-11-24 22:57:06,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:57:06,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:06,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:06,406 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-24 22:57:06,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:06,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 371 states and 492 transitions. [2023-11-24 22:57:06,996 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 492 transitions. [2023-11-24 22:57:06,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:57:06,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:07,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:07,240 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:07,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:07,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 372 states and 492 transitions. [2023-11-24 22:57:07,827 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 492 transitions. [2023-11-24 22:57:07,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:57:07,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:07,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:08,026 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:08,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:08,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 373 states and 494 transitions. [2023-11-24 22:57:08,668 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 494 transitions. [2023-11-24 22:57:08,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:57:08,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:08,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:08,893 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:09,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 374 states and 499 transitions. [2023-11-24 22:57:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 499 transitions. [2023-11-24 22:57:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:57:09,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:09,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:10,305 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:11,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:11,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 341 states and 379 transitions. [2023-11-24 22:57:11,629 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 379 transitions. [2023-11-24 22:57:11,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:57:11,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:11,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat