./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_78903e26-a851-4e22-8049-9af81cc92805/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78903e26-a851-4e22-8049-9af81cc92805/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_78903e26-a851-4e22-8049-9af81cc92805/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78903e26-a851-4e22-8049-9af81cc92805/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78903e26-a851-4e22-8049-9af81cc92805/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78903e26-a851-4e22-8049-9af81cc92805/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:57,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:57,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78903e26-a851-4e22-8049-9af81cc92805/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:59:57,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:57,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:57,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:57,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:57,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:57,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:57,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:57,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:57,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:57,466 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:57,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:57,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:57,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:57,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:57,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:57,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:57,470 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:59:57,471 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:59:57,471 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:57,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:57,472 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:57,473 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:57,473 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:57,473 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:57,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:57,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:57,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:57,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:57,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:57,477 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:57,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:57,477 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:57,477 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_78903e26-a851-4e22-8049-9af81cc92805/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78903e26-a851-4e22-8049-9af81cc92805/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f [2023-11-24 22:59:57,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:57,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:57,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:57,836 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:57,836 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:57,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78903e26-a851-4e22-8049-9af81cc92805/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2023-11-24 23:00:01,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:01,338 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:01,338 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78903e26-a851-4e22-8049-9af81cc92805/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2023-11-24 23:00:01,358 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78903e26-a851-4e22-8049-9af81cc92805/bin/ukojak-verify-afCqCEvfdi/data/f436cffbf/ba9942e2feec4cb89ade7e4eb26c4abf/FLAG2ee0b8826 [2023-11-24 23:00:01,373 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78903e26-a851-4e22-8049-9af81cc92805/bin/ukojak-verify-afCqCEvfdi/data/f436cffbf/ba9942e2feec4cb89ade7e4eb26c4abf [2023-11-24 23:00:01,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:01,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:01,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:01,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:01,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:01,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:01" (1/1) ... [2023-11-24 23:00:01,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d53184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:01, skipping insertion in model container [2023-11-24 23:00:01,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:01" (1/1) ... [2023-11-24 23:00:01,445 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:01,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:01,880 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:01,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:01,977 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:01,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:01 WrapperNode [2023-11-24 23:00:01,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:01,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:01,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:01,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:01,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:01" (1/1) ... [2023-11-24 23:00:02,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:01" (1/1) ... [2023-11-24 23:00:02,039 INFO L138 Inliner]: procedures = 142, calls = 66, calls flagged for inlining = 14, calls inlined = 13, statements flattened = 187 [2023-11-24 23:00:02,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:02,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:02,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:02,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:02,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:01" (1/1) ... [2023-11-24 23:00:02,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:01" (1/1) ... [2023-11-24 23:00:02,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:01" (1/1) ... [2023-11-24 23:00:02,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:01" (1/1) ... [2023-11-24 23:00:02,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:01" (1/1) ... [2023-11-24 23:00:02,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:01" (1/1) ... [2023-11-24 23:00:02,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:01" (1/1) ... [2023-11-24 23:00:02,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:01" (1/1) ... [2023-11-24 23:00:02,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:02,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:02,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:02,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:02,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:01" (1/1) ... [2023-11-24 23:00:02,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:02,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78903e26-a851-4e22-8049-9af81cc92805/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:02,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78903e26-a851-4e22-8049-9af81cc92805/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:02,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78903e26-a851-4e22-8049-9af81cc92805/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-24 23:00:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-24 23:00:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2023-11-24 23:00:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2023-11-24 23:00:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2023-11-24 23:00:02,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2023-11-24 23:00:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:00:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:00:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2023-11-24 23:00:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2023-11-24 23:00:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:00:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:00:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:00:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2023-11-24 23:00:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2023-11-24 23:00:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:00:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2023-11-24 23:00:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2023-11-24 23:00:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:02,403 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:02,405 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:02,722 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:02,901 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:02,902 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-24 23:00:02,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:02 BoogieIcfgContainer [2023-11-24 23:00:02,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:02,906 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:02,906 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:02,917 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:02,918 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:02" (1/1) ... [2023-11-24 23:00:02,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:02,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2023-11-24 23:00:02,990 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2023-11-24 23:00:02,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:00:02,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:02,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:03,486 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 23:00:03,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:03,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2023-11-24 23:00:03,600 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-24 23:00:03,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:00:03,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:03,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:03,759 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 23:00:03,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:03,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 89 transitions. [2023-11-24 23:00:03,783 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2023-11-24 23:00:03,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:00:03,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:03,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:04,101 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:00:04,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:04,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 74 states and 99 transitions. [2023-11-24 23:00:04,259 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 99 transitions. [2023-11-24 23:00:04,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:00:04,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:04,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:04,516 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:00:04,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:04,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 81 states and 109 transitions. [2023-11-24 23:00:04,729 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2023-11-24 23:00:04,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:00:04,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:04,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:05,010 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 23:00:05,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:05,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 74 states and 97 transitions. [2023-11-24 23:00:05,071 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-11-24 23:00:05,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:00:05,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:05,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:05,371 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 23:00:05,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:05,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 107 transitions. [2023-11-24 23:00:05,543 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 107 transitions. [2023-11-24 23:00:05,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:00:05,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:05,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:05,979 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 23:00:06,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:06,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 117 transitions. [2023-11-24 23:00:06,200 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2023-11-24 23:00:06,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 23:00:06,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:06,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:06,701 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-24 23:00:06,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:06,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 95 states and 127 transitions. [2023-11-24 23:00:06,957 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 127 transitions. [2023-11-24 23:00:06,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-24 23:00:06,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:06,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:07,515 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 23:00:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 102 states and 137 transitions. [2023-11-24 23:00:07,784 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 137 transitions. [2023-11-24 23:00:07,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-24 23:00:07,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:07,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:08,482 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-24 23:00:08,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:08,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 109 states and 147 transitions. [2023-11-24 23:00:08,773 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 147 transitions. [2023-11-24 23:00:08,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-24 23:00:08,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:08,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2023-11-24 23:00:10,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:10,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 116 states and 157 transitions. [2023-11-24 23:00:10,004 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 157 transitions. [2023-11-24 23:00:10,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-24 23:00:10,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:10,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:10,976 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-24 23:00:11,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:11,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 123 states and 167 transitions. [2023-11-24 23:00:11,393 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2023-11-24 23:00:11,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-24 23:00:11,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:11,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:12,457 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2023-11-24 23:00:12,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:12,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 130 states and 177 transitions. [2023-11-24 23:00:12,848 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2023-11-24 23:00:12,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-24 23:00:12,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:12,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:14,008 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2023-11-24 23:00:14,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:14,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 137 states and 187 transitions. [2023-11-24 23:00:14,397 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 187 transitions. [2023-11-24 23:00:14,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-24 23:00:14,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:14,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:15,815 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2023-11-24 23:00:16,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:16,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 144 states and 197 transitions. [2023-11-24 23:00:16,220 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 197 transitions. [2023-11-24 23:00:16,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-24 23:00:16,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:16,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:17,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2023-11-24 23:00:18,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:18,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 151 states and 207 transitions. [2023-11-24 23:00:18,126 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 207 transitions. [2023-11-24 23:00:18,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-24 23:00:18,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:18,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 637 refuted. 0 times theorem prover too weak. 728 trivial. 0 not checked. [2023-11-24 23:00:20,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:20,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 158 states and 217 transitions. [2023-11-24 23:00:20,298 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 217 transitions. [2023-11-24 23:00:20,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-11-24 23:00:20,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:20,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:22,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 735 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-24 23:00:22,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:22,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 165 states and 227 transitions. [2023-11-24 23:00:22,514 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 227 transitions. [2023-11-24 23:00:22,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-24 23:00:22,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:22,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:24,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2023-11-24 23:00:24,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:24,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 172 states and 237 transitions. [2023-11-24 23:00:24,984 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 237 transitions. [2023-11-24 23:00:24,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-24 23:00:24,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:24,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:26,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2040 backedges. 0 proven. 952 refuted. 0 times theorem prover too weak. 1088 trivial. 0 not checked. [2023-11-24 23:00:27,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:27,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 179 states and 247 transitions. [2023-11-24 23:00:27,500 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 247 transitions. [2023-11-24 23:00:27,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-11-24 23:00:27,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:27,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:29,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2295 backedges. 0 proven. 1071 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2023-11-24 23:00:30,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:30,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 186 states and 257 transitions. [2023-11-24 23:00:30,218 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 257 transitions. [2023-11-24 23:00:30,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2023-11-24 23:00:30,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:30,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:32,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 0 proven. 1197 refuted. 0 times theorem prover too weak. 1368 trivial. 0 not checked. [2023-11-24 23:00:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:33,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 193 states and 267 transitions. [2023-11-24 23:00:33,032 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 267 transitions. [2023-11-24 23:00:33,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-11-24 23:00:33,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:33,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 1330 refuted. 0 times theorem prover too weak. 1520 trivial. 0 not checked. [2023-11-24 23:00:35,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:35,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 200 states and 277 transitions. [2023-11-24 23:00:35,773 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 277 transitions. [2023-11-24 23:00:35,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2023-11-24 23:00:35,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:35,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3150 backedges. 0 proven. 1470 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2023-11-24 23:00:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:38,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 207 states and 287 transitions. [2023-11-24 23:00:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 287 transitions. [2023-11-24 23:00:38,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2023-11-24 23:00:38,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:38,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:41,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3465 backedges. 0 proven. 1617 refuted. 0 times theorem prover too weak. 1848 trivial. 0 not checked. [2023-11-24 23:00:42,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:42,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 214 states and 297 transitions. [2023-11-24 23:00:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 297 transitions. [2023-11-24 23:00:42,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2023-11-24 23:00:42,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:42,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat