./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a54d51e-38b7-4267-b8af-89ac6881e654/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a54d51e-38b7-4267-b8af-89ac6881e654/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_5a54d51e-38b7-4267-b8af-89ac6881e654/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a54d51e-38b7-4267-b8af-89ac6881e654/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a54d51e-38b7-4267-b8af-89ac6881e654/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a54d51e-38b7-4267-b8af-89ac6881e654/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68e1c5cf050539b3ee8f058d38ff7af5aea2a400d05e41e0185e4509f45301e0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:45,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:45,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a54d51e-38b7-4267-b8af-89ac6881e654/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:51:45,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:45,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:45,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:45,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:45,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:45,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:45,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:45,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:45,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:45,459 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:51:45,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:45,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:51:45,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:45,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:45,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:45,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:45,464 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:51:45,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:45,465 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:45,466 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:45,467 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:45,468 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:45,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:45,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:45,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:45,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:45,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:45,472 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:45,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:45,472 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:45,473 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_5a54d51e-38b7-4267-b8af-89ac6881e654/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a54d51e-38b7-4267-b8af-89ac6881e654/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68e1c5cf050539b3ee8f058d38ff7af5aea2a400d05e41e0185e4509f45301e0 [2023-11-24 22:51:45,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:45,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:45,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:45,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:45,812 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:45,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a54d51e-38b7-4267-b8af-89ac6881e654/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i [2023-11-24 22:51:48,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:49,393 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:49,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a54d51e-38b7-4267-b8af-89ac6881e654/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i [2023-11-24 22:51:49,408 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a54d51e-38b7-4267-b8af-89ac6881e654/bin/ukojak-verify-afCqCEvfdi/data/32f026c32/97b6b1f4612d48b099878de11dbb41fb/FLAGe37defe68 [2023-11-24 22:51:49,423 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a54d51e-38b7-4267-b8af-89ac6881e654/bin/ukojak-verify-afCqCEvfdi/data/32f026c32/97b6b1f4612d48b099878de11dbb41fb [2023-11-24 22:51:49,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:49,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:49,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:49,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:49,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:49,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:49" (1/1) ... [2023-11-24 22:51:49,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d32ad48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:49, skipping insertion in model container [2023-11-24 22:51:49,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:49" (1/1) ... [2023-11-24 22:51:49,497 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:49,885 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a54d51e-38b7-4267-b8af-89ac6881e654/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i[25013,25026] [2023-11-24 22:51:49,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:49,901 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:49,949 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a54d51e-38b7-4267-b8af-89ac6881e654/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i[25013,25026] [2023-11-24 22:51:49,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:49,985 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:49,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:49 WrapperNode [2023-11-24 22:51:49,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:49,987 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:49,987 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:49,987 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:49,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:49" (1/1) ... [2023-11-24 22:51:50,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:49" (1/1) ... [2023-11-24 22:51:50,075 INFO L138 Inliner]: procedures = 129, calls = 40, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 184 [2023-11-24 22:51:50,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:50,077 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:50,077 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:50,077 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:50,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:49" (1/1) ... [2023-11-24 22:51:50,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:49" (1/1) ... [2023-11-24 22:51:50,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:49" (1/1) ... [2023-11-24 22:51:50,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:49" (1/1) ... [2023-11-24 22:51:50,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:49" (1/1) ... [2023-11-24 22:51:50,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:49" (1/1) ... [2023-11-24 22:51:50,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:49" (1/1) ... [2023-11-24 22:51:50,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:49" (1/1) ... [2023-11-24 22:51:50,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:50,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:50,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:50,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:50,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:49" (1/1) ... [2023-11-24 22:51:50,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:50,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a54d51e-38b7-4267-b8af-89ac6881e654/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:50,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a54d51e-38b7-4267-b8af-89ac6881e654/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:50,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a54d51e-38b7-4267-b8af-89ac6881e654/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2023-11-24 22:51:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2023-11-24 22:51:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:51:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:51:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:51:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure sll_append [2023-11-24 22:51:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_append [2023-11-24 22:51:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:51:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:51:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:51:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:51:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:50,409 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:50,413 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:50,452 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2023-11-24 22:51:50,722 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:50,801 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:50,801 INFO L309 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-24 22:51:50,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:50 BoogieIcfgContainer [2023-11-24 22:51:50,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:50,804 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:50,804 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:50,835 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:50,835 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:50" (1/1) ... [2023-11-24 22:51:50,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:50,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2023-11-24 22:51:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2023-11-24 22:51:50,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:50,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:50,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:51,435 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 22:51:51,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:51,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2023-11-24 22:51:51,527 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2023-11-24 22:51:51,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:51:51,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:51,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:51,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:51,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:51,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2023-11-24 22:51:51,629 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2023-11-24 22:51:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:51:51,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:51,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:52,011 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 22:51:52,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:52,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2023-11-24 22:51:52,403 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2023-11-24 22:51:52,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:51:52,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:52,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:52,622 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 22:51:52,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:52,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 52 states and 82 transitions. [2023-11-24 22:51:52,653 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 82 transitions. [2023-11-24 22:51:52,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:51:52,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:52,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:52,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:51:53,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:53,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 56 states and 90 transitions. [2023-11-24 22:51:53,068 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 90 transitions. [2023-11-24 22:51:53,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:51:53,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:53,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:51:53,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 96 transitions. [2023-11-24 22:51:53,406 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2023-11-24 22:51:53,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:51:53,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:53,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:54,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:54,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 65 states and 110 transitions. [2023-11-24 22:51:54,188 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 110 transitions. [2023-11-24 22:51:54,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:51:54,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:54,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:54,356 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:54,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:54,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 68 states and 116 transitions. [2023-11-24 22:51:54,562 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 116 transitions. [2023-11-24 22:51:54,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:51:54,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:54,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:51:54,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:54,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 69 states and 116 transitions. [2023-11-24 22:51:54,851 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 116 transitions. [2023-11-24 22:51:54,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:51:54,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:54,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:55,061 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:51:55,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:55,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 121 transitions. [2023-11-24 22:51:55,116 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2023-11-24 22:51:55,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:51:55,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:55,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:55,208 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:51:55,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:55,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 123 transitions. [2023-11-24 22:51:55,434 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 123 transitions. [2023-11-24 22:51:55,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:51:55,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:55,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:55,554 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:51:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:55,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 72 states and 123 transitions. [2023-11-24 22:51:55,781 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2023-11-24 22:51:55,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:51:55,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:55,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:55,930 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:51:56,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:56,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 76 states and 128 transitions. [2023-11-24 22:51:56,367 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 128 transitions. [2023-11-24 22:51:56,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:51:56,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:56,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:56,547 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:51:56,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:56,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 78 states and 130 transitions. [2023-11-24 22:51:56,660 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 130 transitions. [2023-11-24 22:51:56,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:51:56,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:56,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:56,829 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:51:57,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:57,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 80 states and 134 transitions. [2023-11-24 22:51:57,039 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 134 transitions. [2023-11-24 22:51:57,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:51:57,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:57,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:57,295 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:51:57,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:57,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 86 states and 150 transitions. [2023-11-24 22:51:57,704 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 150 transitions. [2023-11-24 22:51:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:51:57,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:57,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:57,884 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:51:57,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:57,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 87 states and 150 transitions. [2023-11-24 22:51:57,927 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 150 transitions. [2023-11-24 22:51:57,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:51:57,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:57,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:58,289 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:51:58,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:58,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 93 states and 164 transitions. [2023-11-24 22:51:58,772 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 164 transitions. [2023-11-24 22:51:58,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:51:58,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:58,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:58,953 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:51:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:58,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 96 states and 167 transitions. [2023-11-24 22:51:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 167 transitions. [2023-11-24 22:51:58,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:51:58,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:58,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:00,639 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:52:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:08,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 117 states and 218 transitions. [2023-11-24 22:52:08,715 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 218 transitions. [2023-11-24 22:52:08,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:52:08,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:08,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:08,927 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:08,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:08,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 120 states and 221 transitions. [2023-11-24 22:52:08,993 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 221 transitions. [2023-11-24 22:52:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:52:08,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:08,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:52:30,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:30,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 145 states and 291 transitions. [2023-11-24 22:52:30,367 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 291 transitions. [2023-11-24 22:52:30,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:52:30,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:30,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:30,582 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:52:31,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:31,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 137 states and 258 transitions. [2023-11-24 22:52:31,283 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 258 transitions. [2023-11-24 22:52:31,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:52:31,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:31,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:31,480 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:52:32,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:32,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 139 states and 268 transitions. [2023-11-24 22:52:32,185 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 268 transitions. [2023-11-24 22:52:32,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:52:32,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:32,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat