./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 cf1a7837 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_8938d126-651a-4849-9b7c-aeafd674bdb1/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938d126-651a-4849-9b7c-aeafd674bdb1/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938d126-651a-4849-9b7c-aeafd674bdb1/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938d126-651a-4849-9b7c-aeafd674bdb1/bin/ukojak-verify-0OAaufAVZV/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_8938d126-651a-4849-9b7c-aeafd674bdb1/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938d126-651a-4849-9b7c-aeafd674bdb1/bin/ukojak-verify-0OAaufAVZV --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 0.2.3-dev-cf1a783 [2023-11-11 23:46:29,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:46:29,452 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938d126-651a-4849-9b7c-aeafd674bdb1/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:46:29,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:46:29,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:46:29,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:46:29,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:46:29,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:46:29,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:46:29,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:46:29,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:46:29,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:46:29,532 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:46:29,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:46:29,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:46:29,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:46:29,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:46:29,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:46:29,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:46:29,536 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:46:29,536 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:46:29,537 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:46:29,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:46:29,538 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:46:29,538 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:46:29,539 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:46:29,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:46:29,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:29,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:46:29,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:46:29,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:46:29,543 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:46:29,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:46:29,543 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:46:29,572 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_8938d126-651a-4849-9b7c-aeafd674bdb1/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938d126-651a-4849-9b7c-aeafd674bdb1/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f [2023-11-11 23:46:29,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:46:29,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:46:29,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:46:29,900 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:46:29,900 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:46:29,901 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938d126-651a-4849-9b7c-aeafd674bdb1/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2023-11-11 23:46:33,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:46:33,523 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:46:33,523 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938d126-651a-4849-9b7c-aeafd674bdb1/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2023-11-11 23:46:33,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938d126-651a-4849-9b7c-aeafd674bdb1/bin/ukojak-verify-0OAaufAVZV/data/b0ac3ea70/be7aa45cea824b6b9f140edaf6b28ea1/FLAG809ffde9c [2023-11-11 23:46:33,582 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938d126-651a-4849-9b7c-aeafd674bdb1/bin/ukojak-verify-0OAaufAVZV/data/b0ac3ea70/be7aa45cea824b6b9f140edaf6b28ea1 [2023-11-11 23:46:33,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:46:33,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:46:33,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:33,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:46:33,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:46:33,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:33" (1/1) ... [2023-11-11 23:46:33,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0bc752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:33, skipping insertion in model container [2023-11-11 23:46:33,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:33" (1/1) ... [2023-11-11 23:46:33,668 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:34,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:34,117 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:46:34,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:34,242 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:46:34,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34 WrapperNode [2023-11-11 23:46:34,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:34,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:34,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:46:34,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:46:34,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,319 INFO L138 Inliner]: procedures = 142, calls = 66, calls flagged for inlining = 14, calls inlined = 13, statements flattened = 187 [2023-11-11 23:46:34,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:34,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:46:34,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:46:34,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:46:34,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,359 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:46:34,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:46:34,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:46:34,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:46:34,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:34" (1/1) ... [2023-11-11 23:46:34,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:34,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938d126-651a-4849-9b7c-aeafd674bdb1/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:46:34,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938d126-651a-4849-9b7c-aeafd674bdb1/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:46:34,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938d126-651a-4849-9b7c-aeafd674bdb1/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:46:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:46:34,485 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:46:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2023-11-11 23:46:34,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2023-11-11 23:46:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2023-11-11 23:46:34,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2023-11-11 23:46:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:46:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:46:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:46:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2023-11-11 23:46:34,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2023-11-11 23:46:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:46:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:46:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-11 23:46:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2023-11-11 23:46:34,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2023-11-11 23:46:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:46:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2023-11-11 23:46:34,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2023-11-11 23:46:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:46:34,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:46:34,723 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:46:34,725 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:46:35,129 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:46:35,230 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:46:35,231 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-11 23:46:35,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:35 BoogieIcfgContainer [2023-11-11 23:46:35,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:46:35,235 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:46:35,235 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:46:35,246 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:46:35,246 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:35" (1/1) ... [2023-11-11 23:46:35,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:46:35,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:35,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2023-11-11 23:46:35,319 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2023-11-11 23:46:35,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:46:35,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:35,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:35,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:35,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:35,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2023-11-11 23:46:35,967 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-11 23:46:35,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:46:35,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:35,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:36,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:36,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:36,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 89 transitions. [2023-11-11 23:46:36,180 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2023-11-11 23:46:36,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:46:36,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:36,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:36,391 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:46:36,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:36,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 74 states and 99 transitions. [2023-11-11 23:46:36,585 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 99 transitions. [2023-11-11 23:46:36,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:46:36,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:36,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:36,788 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:46:36,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:37,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 81 states and 109 transitions. [2023-11-11 23:46:37,002 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2023-11-11 23:46:37,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:46:37,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:37,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:37,294 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-11 23:46:37,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:37,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 74 states and 97 transitions. [2023-11-11 23:46:37,346 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-11-11 23:46:37,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-11 23:46:37,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:37,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:37,600 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-11 23:46:37,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:37,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 107 transitions. [2023-11-11 23:46:37,776 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 107 transitions. [2023-11-11 23:46:37,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-11 23:46:37,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:37,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:38,098 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-11 23:46:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:38,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 117 transitions. [2023-11-11 23:46:38,315 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2023-11-11 23:46:38,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-11 23:46:38,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:38,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:38,782 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-11 23:46:39,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:39,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 95 states and 127 transitions. [2023-11-11 23:46:39,043 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 127 transitions. [2023-11-11 23:46:39,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-11 23:46:39,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:39,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:39,649 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-11 23:46:39,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:39,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 102 states and 137 transitions. [2023-11-11 23:46:39,912 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 137 transitions. [2023-11-11 23:46:39,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-11 23:46:39,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:39,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:40,605 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-11 23:46:40,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:40,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 109 states and 147 transitions. [2023-11-11 23:46:40,887 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 147 transitions. [2023-11-11 23:46:40,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-11 23:46:40,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:40,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2023-11-11 23:46:42,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:42,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 116 states and 157 transitions. [2023-11-11 23:46:42,109 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 157 transitions. [2023-11-11 23:46:42,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-11 23:46:42,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:42,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:43,018 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-11 23:46:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:43,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 123 states and 167 transitions. [2023-11-11 23:46:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2023-11-11 23:46:43,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-11 23:46:43,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:43,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2023-11-11 23:46:44,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:44,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 130 states and 177 transitions. [2023-11-11 23:46:44,757 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2023-11-11 23:46:44,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-11 23:46:44,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:44,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:45,980 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2023-11-11 23:46:46,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:46,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 137 states and 187 transitions. [2023-11-11 23:46:46,355 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 187 transitions. [2023-11-11 23:46:46,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-11 23:46:46,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:46,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:47,811 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2023-11-11 23:46:48,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 144 states and 197 transitions. [2023-11-11 23:46:48,230 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 197 transitions. [2023-11-11 23:46:48,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-11 23:46:48,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:48,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:49,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2023-11-11 23:46:50,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:50,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 151 states and 207 transitions. [2023-11-11 23:46:50,421 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 207 transitions. [2023-11-11 23:46:50,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-11 23:46:50,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:50,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:51,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 637 refuted. 0 times theorem prover too weak. 728 trivial. 0 not checked. [2023-11-11 23:46:52,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:52,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 158 states and 217 transitions. [2023-11-11 23:46:52,467 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 217 transitions. [2023-11-11 23:46:52,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-11-11 23:46:52,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:52,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:54,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 735 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-11 23:46:54,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:54,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 165 states and 227 transitions. [2023-11-11 23:46:54,706 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 227 transitions. [2023-11-11 23:46:54,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-11 23:46:54,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:54,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:56,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2023-11-11 23:46:57,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:57,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 172 states and 237 transitions. [2023-11-11 23:46:57,278 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 237 transitions. [2023-11-11 23:46:57,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-11 23:46:57,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:57,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:59,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2040 backedges. 0 proven. 952 refuted. 0 times theorem prover too weak. 1088 trivial. 0 not checked. [2023-11-11 23:46:59,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:59,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 179 states and 247 transitions. [2023-11-11 23:46:59,943 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 247 transitions. [2023-11-11 23:46:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-11-11 23:46:59,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:59,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:02,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2295 backedges. 0 proven. 1071 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2023-11-11 23:47:02,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:02,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 186 states and 257 transitions. [2023-11-11 23:47:02,970 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 257 transitions. [2023-11-11 23:47:02,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2023-11-11 23:47:02,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:02,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:05,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 0 proven. 1197 refuted. 0 times theorem prover too weak. 1368 trivial. 0 not checked. [2023-11-11 23:47:05,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 193 states and 267 transitions. [2023-11-11 23:47:05,953 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 267 transitions. [2023-11-11 23:47:05,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-11-11 23:47:05,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:05,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 1330 refuted. 0 times theorem prover too weak. 1520 trivial. 0 not checked. [2023-11-11 23:47:08,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:08,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 200 states and 277 transitions. [2023-11-11 23:47:08,961 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 277 transitions. [2023-11-11 23:47:08,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2023-11-11 23:47:08,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:08,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:11,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3150 backedges. 0 proven. 1470 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2023-11-11 23:47:12,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:12,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 207 states and 287 transitions. [2023-11-11 23:47:12,303 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 287 transitions. [2023-11-11 23:47:12,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2023-11-11 23:47:12,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:12,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:15,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3465 backedges. 0 proven. 1617 refuted. 0 times theorem prover too weak. 1848 trivial. 0 not checked. [2023-11-11 23:47:15,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:15,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 214 states and 297 transitions. [2023-11-11 23:47:15,987 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 297 transitions. [2023-11-11 23:47:15,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2023-11-11 23:47:15,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:15,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat