./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/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_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/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_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/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 471ad46a1662a2ee36763023473e29e175f1086d40bbf36d792af661871bf09e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:43,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:43,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:10:43,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:43,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:43,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:43,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:43,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:43,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:43,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:43,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:43,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:43,181 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:10:43,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:43,182 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:10:43,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:43,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:43,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:43,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:43,185 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:10:43,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:43,186 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:43,187 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:43,187 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:43,187 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:43,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:43,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:43,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:43,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:43,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:43,190 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:43,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:43,191 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:43,192 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_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 471ad46a1662a2ee36763023473e29e175f1086d40bbf36d792af661871bf09e [2023-11-24 22:10:43,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:43,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:43,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:43,511 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:43,511 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:43,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c [2023-11-24 22:10:46,656 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:46,955 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:46,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c [2023-11-24 22:10:46,976 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/bin/ukojak-verify-afCqCEvfdi/data/b9c13264c/f85730ce3e6f4b6aa68a98de64977b4b/FLAG821737be6 [2023-11-24 22:10:46,998 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/bin/ukojak-verify-afCqCEvfdi/data/b9c13264c/f85730ce3e6f4b6aa68a98de64977b4b [2023-11-24 22:10:47,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:47,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:47,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:47,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:47,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:47,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c50e1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47, skipping insertion in model container [2023-11-24 22:10:47,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,100 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:47,315 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_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c[1605,1618] [2023-11-24 22:10:47,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:47,533 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:47,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-24 22:10:47,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] [2023-11-24 22:10:47,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] [2023-11-24 22:10:47,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [335] [2023-11-24 22:10:47,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [373] [2023-11-24 22:10:47,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [471] [2023-11-24 22:10:47,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [510] [2023-11-24 22:10:47,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [605] [2023-11-24 22:10:47,557 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_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c[1605,1618] [2023-11-24 22:10:47,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:47,690 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:47,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47 WrapperNode [2023-11-24 22:10:47,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:47,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:47,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:47,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:47,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,758 INFO L138 Inliner]: procedures = 56, calls = 99, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 199 [2023-11-24 22:10:47,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:47,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:47,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:47,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:47,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:47,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:47,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:47,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:47,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:47,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:47,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:47,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feebc8c3-d50d-45d4-a5d8-9e7169e0f209/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-24 22:10:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-24 22:10:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-24 22:10:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-24 22:10:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-24 22:10:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-24 22:10:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-24 22:10:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-24 22:10:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-24 22:10:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-24 22:10:47,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:10:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-24 22:10:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-24 22:10:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:47,976 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:47,978 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:48,333 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:48,470 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:48,471 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:10:48,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:48 BoogieIcfgContainer [2023-11-24 22:10:48,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:48,473 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:48,474 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:48,485 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:48,485 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:48,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 51 states and 67 transitions. [2023-11-24 22:10:48,592 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2023-11-24 22:10:48,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:10:48,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:48,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:48,788 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 22:10:48,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:48,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2023-11-24 22:10:48,825 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2023-11-24 22:10:48,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:10:48,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:48,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:48,978 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 22:10:49,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:49,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2023-11-24 22:10:49,030 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2023-11-24 22:10:49,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:10:49,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:49,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:49,541 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 22:10:49,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:49,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 94 transitions. [2023-11-24 22:10:49,801 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2023-11-24 22:10:49,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:10:49,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:49,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:49,884 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 22:10:50,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 83 states and 126 transitions. [2023-11-24 22:10:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 126 transitions. [2023-11-24 22:10:50,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:10:50,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:50,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:50,595 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 22:10:50,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:50,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 131 transitions. [2023-11-24 22:10:50,630 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2023-11-24 22:10:50,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:10:50,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:50,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:50,738 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 22:10:50,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:50,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 90 states and 142 transitions. [2023-11-24 22:10:50,840 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 142 transitions. [2023-11-24 22:10:50,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:10:50,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:50,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:50,919 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 22:10:50,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:50,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 91 states and 144 transitions. [2023-11-24 22:10:50,946 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 144 transitions. [2023-11-24 22:10:50,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:10:50,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:50,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:51,033 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 22:10:51,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:51,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 95 states and 153 transitions. [2023-11-24 22:10:51,198 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 153 transitions. [2023-11-24 22:10:51,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:10:51,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:51,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:51,270 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 22:10:51,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:51,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 96 states and 154 transitions. [2023-11-24 22:10:51,302 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 154 transitions. [2023-11-24 22:10:51,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:10:51,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:51,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:51,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:52,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:52,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 107 states and 185 transitions. [2023-11-24 22:10:52,777 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 185 transitions. [2023-11-24 22:10:52,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:10:52,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:52,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:52,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:53,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:53,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 115 states and 205 transitions. [2023-11-24 22:10:53,330 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 205 transitions. [2023-11-24 22:10:53,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:10:53,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:53,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:53,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:53,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:53,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 116 states and 205 transitions. [2023-11-24 22:10:53,469 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 205 transitions. [2023-11-24 22:10:53,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:10:53,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:53,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:10:53,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:54,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 122 states and 222 transitions. [2023-11-24 22:10:54,000 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 222 transitions. [2023-11-24 22:10:54,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:10:54,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:54,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:54,065 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:10:54,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:54,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 125 states and 228 transitions. [2023-11-24 22:10:54,247 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 228 transitions. [2023-11-24 22:10:54,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:10:54,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:54,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:54,281 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:10:54,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:54,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 129 states and 238 transitions. [2023-11-24 22:10:54,607 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 238 transitions. [2023-11-24 22:10:54,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:10:54,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:54,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:54,643 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:10:54,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:54,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 130 states and 239 transitions. [2023-11-24 22:10:54,687 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 239 transitions. [2023-11-24 22:10:54,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:10:54,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:54,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:55,073 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:57,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:57,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 145 states and 299 transitions. [2023-11-24 22:10:57,436 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 299 transitions. [2023-11-24 22:10:57,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:10:57,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:57,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:57,480 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:58,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:58,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 150 states and 309 transitions. [2023-11-24 22:10:58,201 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 309 transitions. [2023-11-24 22:10:58,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:10:58,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:58,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:58,314 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:58,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:58,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 154 states and 316 transitions. [2023-11-24 22:10:58,915 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 316 transitions. [2023-11-24 22:10:58,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:10:58,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:58,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:58,957 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:59,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:59,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 159 states and 326 transitions. [2023-11-24 22:10:59,582 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 326 transitions. [2023-11-24 22:10:59,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:10:59,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:59,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:59,653 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:11:00,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:00,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 168 states and 348 transitions. [2023-11-24 22:11:00,388 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 348 transitions. [2023-11-24 22:11:00,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:11:00,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:00,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:00,448 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:11:00,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:00,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 173 states and 360 transitions. [2023-11-24 22:11:00,744 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 360 transitions. [2023-11-24 22:11:00,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:11:00,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:00,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:00,785 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:11:00,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:00,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 174 states and 362 transitions. [2023-11-24 22:11:00,952 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 362 transitions. [2023-11-24 22:11:00,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:11:00,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:00,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:01,298 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:11:03,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:03,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 189 states and 392 transitions. [2023-11-24 22:11:03,474 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 392 transitions. [2023-11-24 22:11:03,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:11:03,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:03,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:03,789 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:11:05,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:05,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 190 states and 393 transitions. [2023-11-24 22:11:05,217 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 393 transitions. [2023-11-24 22:11:05,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:11:05,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:05,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:05,257 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:11:05,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:05,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 191 states and 393 transitions. [2023-11-24 22:11:05,286 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 393 transitions. [2023-11-24 22:11:05,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:11:05,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:05,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:11:05,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:05,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 194 states and 400 transitions. [2023-11-24 22:11:05,669 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 400 transitions. [2023-11-24 22:11:05,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:11:05,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:05,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:11:06,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:06,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 195 states and 402 transitions. [2023-11-24 22:11:06,476 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 402 transitions. [2023-11-24 22:11:06,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:11:06,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:06,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:06,641 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:11:06,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 196 states and 403 transitions. [2023-11-24 22:11:06,707 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 403 transitions. [2023-11-24 22:11:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:11:06,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:06,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:06,832 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:11:06,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:06,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 198 states and 407 transitions. [2023-11-24 22:11:06,867 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 407 transitions. [2023-11-24 22:11:06,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:11:06,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:06,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:07,300 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:11:09,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:09,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 206 states and 424 transitions. [2023-11-24 22:11:09,245 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 424 transitions. [2023-11-24 22:11:09,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:11:09,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:09,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:09,349 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:11:09,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 209 states and 429 transitions. [2023-11-24 22:11:09,704 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 429 transitions. [2023-11-24 22:11:09,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:11:09,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:09,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:10,503 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:11:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:15,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 220 states and 452 transitions. [2023-11-24 22:11:15,561 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 452 transitions. [2023-11-24 22:11:15,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:11:15,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:15,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:11:22,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:22,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 231 states and 475 transitions. [2023-11-24 22:11:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 475 transitions. [2023-11-24 22:11:22,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:11:22,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:22,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:23,077 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:11:24,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:24,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 232 states and 476 transitions. [2023-11-24 22:11:24,380 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 476 transitions. [2023-11-24 22:11:24,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:11:24,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:24,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:11:24,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:24,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 233 states and 478 transitions. [2023-11-24 22:11:24,857 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 478 transitions. [2023-11-24 22:11:24,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:11:24,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:24,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:24,972 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:11:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 234 states and 476 transitions. [2023-11-24 22:11:26,144 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 476 transitions. [2023-11-24 22:11:26,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:11:26,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:26,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:11:26,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:26,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 235 states and 479 transitions. [2023-11-24 22:11:26,674 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 479 transitions. [2023-11-24 22:11:26,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:11:26,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:26,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:26,714 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:11:27,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:27,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 236 states and 482 transitions. [2023-11-24 22:11:27,234 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 482 transitions. [2023-11-24 22:11:27,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:11:27,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:27,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:27,273 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:11:27,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:27,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 237 states and 485 transitions. [2023-11-24 22:11:27,323 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 485 transitions. [2023-11-24 22:11:27,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:11:27,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:27,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:27,414 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:11:27,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:27,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 240 states and 490 transitions. [2023-11-24 22:11:27,885 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 490 transitions. [2023-11-24 22:11:27,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:11:27,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:27,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:27,925 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-24 22:11:28,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:28,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 244 states and 494 transitions. [2023-11-24 22:11:28,677 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 494 transitions. [2023-11-24 22:11:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:11:28,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:28,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:28,780 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:11:30,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:30,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 239 states and 482 transitions. [2023-11-24 22:11:30,110 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 482 transitions. [2023-11-24 22:11:30,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 22:11:30,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:30,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:30,149 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:11:30,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:30,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 240 states and 484 transitions. [2023-11-24 22:11:30,610 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 484 transitions. [2023-11-24 22:11:30,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:11:30,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:30,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:31,583 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.