./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_bcf90e2c-4e46-4206-8d01-b8741973928d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf90e2c-4e46-4206-8d01-b8741973928d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf90e2c-4e46-4206-8d01-b8741973928d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf90e2c-4e46-4206-8d01-b8741973928d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf90e2c-4e46-4206-8d01-b8741973928d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf90e2c-4e46-4206-8d01-b8741973928d/bin/ukojak-verify-G8NBE6pJGL --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 cb82edc0720115a7daf634e8ab19e02bd974ec3bbe9487e9c9b9a9d3ab6ca10d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:32:16,955 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:32:17,086 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf90e2c-4e46-4206-8d01-b8741973928d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:32:17,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:32:17,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:32:17,135 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:32:17,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:32:17,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:32:17,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:32:17,145 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:32:17,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:32:17,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:32:17,147 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:32:17,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:32:17,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:32:17,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:32:17,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:32:17,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:32:17,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:32:17,152 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:32:17,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:32:17,153 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:32:17,154 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:32:17,154 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:32:17,154 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:32:17,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:32:17,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:32:17,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:32:17,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:32:17,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:32:17,159 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:32:17,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:32:17,159 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:32:17,160 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_bcf90e2c-4e46-4206-8d01-b8741973928d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf90e2c-4e46-4206-8d01-b8741973928d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb82edc0720115a7daf634e8ab19e02bd974ec3bbe9487e9c9b9a9d3ab6ca10d [2023-11-19 02:32:17,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:32:17,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:32:17,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:32:17,541 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:32:17,542 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:32:17,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf90e2c-4e46-4206-8d01-b8741973928d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c [2023-11-19 02:32:20,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:32:21,157 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:32:21,162 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf90e2c-4e46-4206-8d01-b8741973928d/sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c [2023-11-19 02:32:21,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf90e2c-4e46-4206-8d01-b8741973928d/bin/ukojak-verify-G8NBE6pJGL/data/bf45ba242/c853cbef85b0412cb5165ed696a420e8/FLAG4a73d2c33 [2023-11-19 02:32:21,199 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf90e2c-4e46-4206-8d01-b8741973928d/bin/ukojak-verify-G8NBE6pJGL/data/bf45ba242/c853cbef85b0412cb5165ed696a420e8 [2023-11-19 02:32:21,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:32:21,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:32:21,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:32:21,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:32:21,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:32:21,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:21" (1/1) ... [2023-11-19 02:32:21,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15818f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:21, skipping insertion in model container [2023-11-19 02:32:21,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:21" (1/1) ... [2023-11-19 02:32:21,304 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:32:21,531 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_bcf90e2c-4e46-4206-8d01-b8741973928d/sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c[6627,6640] [2023-11-19 02:32:21,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:32:21,670 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:32:21,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-11-19 02:32:21,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] [2023-11-19 02:32:21,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [308] [2023-11-19 02:32:21,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [407] [2023-11-19 02:32:21,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [442] [2023-11-19 02:32:21,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [451] [2023-11-19 02:32:21,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [817] [2023-11-19 02:32:21,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [912] [2023-11-19 02:32:21,720 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_bcf90e2c-4e46-4206-8d01-b8741973928d/sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c[6627,6640] [2023-11-19 02:32:21,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:32:21,778 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:32:21,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:21 WrapperNode [2023-11-19 02:32:21,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:32:21,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:32:21,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:32:21,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:32:21,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:21" (1/1) ... [2023-11-19 02:32:21,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:21" (1/1) ... [2023-11-19 02:32:21,836 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 24, calls inlined = 20, statements flattened = 180 [2023-11-19 02:32:21,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:32:21,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:32:21,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:32:21,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:32:21,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:21" (1/1) ... [2023-11-19 02:32:21,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:21" (1/1) ... [2023-11-19 02:32:21,851 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:21" (1/1) ... [2023-11-19 02:32:21,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:21" (1/1) ... [2023-11-19 02:32:21,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:21" (1/1) ... [2023-11-19 02:32:21,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:21" (1/1) ... [2023-11-19 02:32:21,866 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:21" (1/1) ... [2023-11-19 02:32:21,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:21" (1/1) ... [2023-11-19 02:32:21,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:32:21,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:32:21,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:32:21,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:32:21,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:21" (1/1) ... [2023-11-19 02:32:21,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:32:21,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf90e2c-4e46-4206-8d01-b8741973928d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:32:21,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf90e2c-4e46-4206-8d01-b8741973928d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:32:21,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf90e2c-4e46-4206-8d01-b8741973928d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:32:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:32:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 02:32:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 02:32:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 02:32:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 02:32:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 02:32:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 02:32:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 02:32:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 02:32:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:32:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 02:32:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 02:32:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:32:21,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:32:22,069 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:32:22,072 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:32:22,430 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:32:22,638 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:32:22,639 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:32:22,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:22 BoogieIcfgContainer [2023-11-19 02:32:22,650 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:32:22,651 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:32:22,651 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:32:22,662 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:32:22,663 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:22" (1/1) ... [2023-11-19 02:32:22,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:32:22,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:22,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2023-11-19 02:32:22,729 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2023-11-19 02:32:22,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:32:22,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:22,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:22,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:22,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:22,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 56 transitions. [2023-11-19 02:32:22,976 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2023-11-19 02:32:22,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:32:22,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:22,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:23,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:23,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:23,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2023-11-19 02:32:23,153 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2023-11-19 02:32:23,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:32:23,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:23,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:23,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:23,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 58 states and 84 transitions. [2023-11-19 02:32:23,880 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2023-11-19 02:32:23,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:32:23,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:23,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:24,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:25,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:25,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 70 states and 113 transitions. [2023-11-19 02:32:25,462 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 113 transitions. [2023-11-19 02:32:25,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:32:25,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:25,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:25,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:25,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 71 states and 114 transitions. [2023-11-19 02:32:25,733 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 114 transitions. [2023-11-19 02:32:25,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:32:25,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:25,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:25,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:26,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:26,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 134 transitions. [2023-11-19 02:32:26,367 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 134 transitions. [2023-11-19 02:32:26,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:32:26,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:26,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:26,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:26,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:26,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 80 states and 135 transitions. [2023-11-19 02:32:26,575 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 135 transitions. [2023-11-19 02:32:26,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:32:26,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:26,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:26,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:27,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:27,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 85 states and 146 transitions. [2023-11-19 02:32:27,172 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 146 transitions. [2023-11-19 02:32:27,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:32:27,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:27,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:27,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:28,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:28,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 90 states and 161 transitions. [2023-11-19 02:32:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 161 transitions. [2023-11-19 02:32:28,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:32:28,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:28,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:28,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:28,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 93 states and 166 transitions. [2023-11-19 02:32:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 166 transitions. [2023-11-19 02:32:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:32:28,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:28,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:28,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:29,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:29,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 97 states and 172 transitions. [2023-11-19 02:32:29,199 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 172 transitions. [2023-11-19 02:32:29,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:32:29,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:29,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:29,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:29,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:29,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 101 states and 176 transitions. [2023-11-19 02:32:29,689 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 176 transitions. [2023-11-19 02:32:29,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:32:29,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:29,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:29,727 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:32:29,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:29,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 106 states and 186 transitions. [2023-11-19 02:32:29,989 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 186 transitions. [2023-11-19 02:32:29,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:32:29,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:29,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:30,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:32:30,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:30,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 111 states and 199 transitions. [2023-11-19 02:32:30,680 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 199 transitions. [2023-11-19 02:32:30,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:32:30,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:30,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:30,718 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:32:31,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:31,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 115 states and 207 transitions. [2023-11-19 02:32:31,164 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 207 transitions. [2023-11-19 02:32:31,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:32:31,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:31,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:31,242 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:32:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:31,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 116 states and 208 transitions. [2023-11-19 02:32:31,278 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 208 transitions. [2023-11-19 02:32:31,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:32:31,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:31,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:35,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:35,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 129 states and 250 transitions. [2023-11-19 02:32:35,338 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 250 transitions. [2023-11-19 02:32:35,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:32:35,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:35,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:32:35,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:35,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 130 states and 251 transitions. [2023-11-19 02:32:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 251 transitions. [2023-11-19 02:32:35,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:32:35,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:35,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:35,445 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:32:35,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:35,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 131 states and 252 transitions. [2023-11-19 02:32:35,476 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 252 transitions. [2023-11-19 02:32:35,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:32:35,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:35,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:36,456 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:38,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:38,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 136 states and 269 transitions. [2023-11-19 02:32:38,938 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 269 transitions. [2023-11-19 02:32:38,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:32:38,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:38,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:40,185 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:43,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:43,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 145 states and 311 transitions. [2023-11-19 02:32:43,364 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 311 transitions. [2023-11-19 02:32:43,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:32:43,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:43,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:44,050 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:45,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:45,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 147 states and 317 transitions. [2023-11-19 02:32:45,149 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 317 transitions. [2023-11-19 02:32:45,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:32:45,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:45,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:45,435 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:45,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:45,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 148 states and 318 transitions. [2023-11-19 02:32:45,481 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 318 transitions. [2023-11-19 02:32:45,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:32:45,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:45,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:46,013 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:48,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:48,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 152 states and 330 transitions. [2023-11-19 02:32:48,073 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 330 transitions. [2023-11-19 02:32:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:32:48,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:48,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:48,439 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:50,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 155 states and 335 transitions. [2023-11-19 02:32:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 335 transitions. [2023-11-19 02:32:50,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:32:50,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:50,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:52,077 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:56,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:56,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 165 states and 379 transitions. [2023-11-19 02:32:56,504 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 379 transitions. [2023-11-19 02:32:56,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:32:56,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:56,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:57,054 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:00,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:00,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 173 states and 422 transitions. [2023-11-19 02:33:00,793 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 422 transitions. [2023-11-19 02:33:00,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:33:00,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:00,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:01,687 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:04,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:04,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 178 states and 432 transitions. [2023-11-19 02:33:04,422 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 432 transitions. [2023-11-19 02:33:04,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:33:04,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:04,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:05,949 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.