/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:52:00,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:52:00,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:52:00,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:52:00,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:52:00,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:52:00,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:52:00,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:52:00,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:52:00,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:52:00,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:52:00,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:52:00,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:52:00,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:52:00,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:52:00,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:52:00,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:52:00,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:52:00,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:52:00,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:52:00,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:52:01,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:52:01,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:52:01,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:52:01,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:52:01,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:52:01,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:52:01,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:52:01,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:52:01,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:52:01,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:52:01,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:52:01,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:52:01,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:52:01,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:52:01,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:52:01,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:52:01,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:52:01,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:52:01,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:52:01,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:52:01,025 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 17:52:01,064 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:52:01,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:52:01,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:52:01,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:52:01,067 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:52:01,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:52:01,067 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:52:01,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:52:01,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:52:01,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:52:01,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:52:01,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:52:01,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:52:01,069 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:52:01,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:52:01,070 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:52:01,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:52:01,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:52:01,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:52:01,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:52:01,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:52:01,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:52:01,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:52:01,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:52:01,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:52:01,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:52:01,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:52:01,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:52:01,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:52:01,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:52:01,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:52:01,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:52:01,417 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:52:01,418 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:52:01,418 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:52:01,419 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product42.cil.c [2020-10-12 17:52:01,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d38bb0dd9/4997ee5414b64bc79128f45cbe01e200/FLAG1742f38c3 [2020-10-12 17:52:02,006 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:52:02,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product42.cil.c [2020-10-12 17:52:02,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d38bb0dd9/4997ee5414b64bc79128f45cbe01e200/FLAG1742f38c3 [2020-10-12 17:52:02,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d38bb0dd9/4997ee5414b64bc79128f45cbe01e200 [2020-10-12 17:52:02,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:52:02,330 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:52:02,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:52:02,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:52:02,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:52:02,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:52:02" (1/1) ... [2020-10-12 17:52:02,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d2a1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:52:02, skipping insertion in model container [2020-10-12 17:52:02,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:52:02" (1/1) ... [2020-10-12 17:52:02,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:52:02,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:52:02,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:52:02,988 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:52:03,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:52:03,167 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:52:03,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:52:03 WrapperNode [2020-10-12 17:52:03,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:52:03,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:52:03,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:52:03,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:52:03,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:52:03" (1/1) ... [2020-10-12 17:52:03,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:52:03" (1/1) ... [2020-10-12 17:52:03,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:52:03" (1/1) ... [2020-10-12 17:52:03,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:52:03" (1/1) ... [2020-10-12 17:52:03,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:52:03" (1/1) ... [2020-10-12 17:52:03,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:52:03" (1/1) ... [2020-10-12 17:52:03,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:52:03" (1/1) ... [2020-10-12 17:52:03,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:52:03,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:52:03,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:52:03,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:52:03,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:52:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:52:03,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:52:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:52:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:52:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:52:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:52:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:52:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:52:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:52:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:52:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:52:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 17:52:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-12 17:52:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 17:52:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-12 17:52:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 17:52:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 17:52:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 17:52:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 17:52:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 17:52:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-12 17:52:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-12 17:52:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-12 17:52:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-12 17:52:03,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:52:03,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:52:03,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:52:03,336 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:52:03,336 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 17:52:03,337 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 17:52:03,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:52:03,337 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 17:52:03,337 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:52:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:52:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 17:52:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 17:52:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 17:52:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 17:52:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 17:52:03,339 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 17:52:03,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-12 17:52:03,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:52:03,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:52:03,339 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:52:03,339 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:52:03,340 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:52:03,340 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:52:03,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:52:03,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:52:03,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:52:03,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:52:03,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:52:03,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:52:03,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:52:03,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:52:03,341 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:52:03,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:52:03,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:52:03,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:52:03,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:52:03,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:52:03,342 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 17:52:03,342 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 17:52:03,342 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-12 17:52:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 17:52:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 17:52:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:52:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 17:52:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 17:52:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 17:52:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-12 17:52:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 17:52:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 17:52:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 17:52:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 17:52:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-12 17:52:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 17:52:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-12 17:52:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-12 17:52:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-12 17:52:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 17:52:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:52:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-12 17:52:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:52:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:52:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:52:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:52:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 17:52:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:52:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 17:52:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:52:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 17:52:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:52:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:52:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:52:04,402 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:52:04,402 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 17:52:04,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:52:04 BoogieIcfgContainer [2020-10-12 17:52:04,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:52:04,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:52:04,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:52:04,413 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:52:04,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:52:02" (1/3) ... [2020-10-12 17:52:04,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719988f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:52:04, skipping insertion in model container [2020-10-12 17:52:04,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:52:03" (2/3) ... [2020-10-12 17:52:04,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719988f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:52:04, skipping insertion in model container [2020-10-12 17:52:04,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:52:04" (3/3) ... [2020-10-12 17:52:04,417 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product42.cil.c [2020-10-12 17:52:04,428 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:52:04,437 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:52:04,452 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:52:04,478 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:52:04,478 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:52:04,478 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:52:04,478 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:52:04,478 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:52:04,478 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:52:04,479 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:52:04,479 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:52:04,505 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-10-12 17:52:04,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-12 17:52:04,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:04,522 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:52:04,522 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:04,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:04,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1331255295, now seen corresponding path program 1 times [2020-10-12 17:52:04,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:04,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030102554] [2020-10-12 17:52:04,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:04,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:05,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:05,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:06,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:06,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:09,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:09,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 17:52:09,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:52:09,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 17:52:09,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:09,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 17:52:09,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:09,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 17:52:09,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 17:52:10,400 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:10,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:10,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:10,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:10,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:10,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-12 17:52:10,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:10,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:10,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:10,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:52:10,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:10,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:10,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:10,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:10,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:10,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:10,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:10,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:10,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:10,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:10,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:10,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:10,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:10,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:10,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:10,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:10,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:10,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:10,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:10,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:10,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:10,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:10,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:10,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:10,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:10,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:10,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:10,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:10,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:10,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:10,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:10,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:10,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:10,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:10,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:10,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:10,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:10,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:10,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:10,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:10,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:10,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:10,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:10,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:10,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:10,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:10,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:10,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:10,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:10,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 17:52:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:10,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:10,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:10,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:10,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:10,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:10,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:10,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:10,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:10,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:10,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 17:52:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:10,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:10,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:10,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:10,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:10,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:10,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:10,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:10,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:10,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:10,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:52:10,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030102554] [2020-10-12 17:52:10,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:52:10,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 17:52:10,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902208838] [2020-10-12 17:52:10,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 17:52:10,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:10,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 17:52:10,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 17:52:10,690 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 8 states. [2020-10-12 17:52:11,317 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:12,555 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:12,955 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:13,263 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:52:13,727 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:14,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:52:14,701 INFO L93 Difference]: Finished difference Result 401 states and 531 transitions. [2020-10-12 17:52:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 17:52:14,703 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-12 17:52:14,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:52:14,719 INFO L225 Difference]: With dead ends: 401 [2020-10-12 17:52:14,720 INFO L226 Difference]: Without dead ends: 255 [2020-10-12 17:52:14,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-12 17:52:14,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-10-12 17:52:14,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 205. [2020-10-12 17:52:14,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-12 17:52:14,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 242 transitions. [2020-10-12 17:52:14,843 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 242 transitions. Word has length 51 [2020-10-12 17:52:14,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:52:14,843 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 242 transitions. [2020-10-12 17:52:14,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 17:52:14,844 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 242 transitions. [2020-10-12 17:52:14,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-12 17:52:14,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:14,850 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:52:14,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:52:14,850 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:14,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:14,851 INFO L82 PathProgramCache]: Analyzing trace with hash 2004321538, now seen corresponding path program 1 times [2020-10-12 17:52:14,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:14,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1025095282] [2020-10-12 17:52:14,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:14,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:15,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:15,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:16,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:19,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:19,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 17:52:19,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:52:19,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 17:52:19,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:19,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 17:52:19,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:19,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 17:52:19,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:20,195 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:20,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:20,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:20,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:20,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:20,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:20,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 17:52:20,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:20,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:20,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:20,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:52:20,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:20,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:20,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:20,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:20,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:20,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:20,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:20,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:20,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:20,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:20,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:20,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:20,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:20,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:20,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:20,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:20,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:20,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:20,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:20,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:20,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:20,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:20,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:20,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:20,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:20,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:20,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:20,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:20,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:20,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:20,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:20,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:20,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:20,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:20,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:20,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:20,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:20,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:20,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:20,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:20,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:20,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:20,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:20,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:20,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:20,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:20,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:20,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:20,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:20,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:20,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:20,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:20,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:52:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:20,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:20,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:20,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:20,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:20,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:20,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:20,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:20,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:20,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:20,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:20,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 17:52:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:20,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:20,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:20,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:20,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:20,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:20,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:20,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:20,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:20,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:20,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:20,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 17:52:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:20,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:20,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:20,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:20,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:20,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:52:20,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:20,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:20,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:20,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:52:20,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1025095282] [2020-10-12 17:52:20,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:52:20,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 17:52:20,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056547805] [2020-10-12 17:52:20,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 17:52:20,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:20,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 17:52:20,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-12 17:52:20,419 INFO L87 Difference]: Start difference. First operand 205 states and 242 transitions. Second operand 9 states. [2020-10-12 17:52:20,885 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:21,888 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:52:22,162 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:22,420 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:23,562 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:52:23,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:52:23,942 INFO L93 Difference]: Finished difference Result 567 states and 747 transitions. [2020-10-12 17:52:23,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 17:52:23,943 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-10-12 17:52:23,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:52:23,951 INFO L225 Difference]: With dead ends: 567 [2020-10-12 17:52:23,951 INFO L226 Difference]: Without dead ends: 390 [2020-10-12 17:52:23,954 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-12 17:52:23,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2020-10-12 17:52:24,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 314. [2020-10-12 17:52:24,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2020-10-12 17:52:24,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 379 transitions. [2020-10-12 17:52:24,040 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 379 transitions. Word has length 61 [2020-10-12 17:52:24,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:52:24,041 INFO L479 AbstractCegarLoop]: Abstraction has 314 states and 379 transitions. [2020-10-12 17:52:24,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 17:52:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 379 transitions. [2020-10-12 17:52:24,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-12 17:52:24,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:24,046 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:52:24,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:52:24,047 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:24,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:24,047 INFO L82 PathProgramCache]: Analyzing trace with hash 986074702, now seen corresponding path program 1 times [2020-10-12 17:52:24,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:24,048 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [991876094] [2020-10-12 17:52:24,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:24,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:24,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:24,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:24,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:24,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:24,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:25,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:25,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-12 17:52:29,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 17:52:29,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-12 17:52:29,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:52:29,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:29,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 17:52:29,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:29,401 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:29,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:29,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-12 17:52:29,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:29,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:29,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:52:29,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:29,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:29,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:29,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:29,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:29,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:29,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:29,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:29,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:29,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:29,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:29,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:29,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:29,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:29,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:29,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:29,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:29,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:29,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:29,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:29,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:29,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:29,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:29,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:29,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:29,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:29,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:29,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:52:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:29,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:29,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:29,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:29,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:29,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:29,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:52:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:52:29,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 17:52:29,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:29,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 17:52:29,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:52:29,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:29,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:52:29,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:52:29,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:29,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:29,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:52:29,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:29,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:29,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:29,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:29,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:29,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:29,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:29,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 17:52:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:52:29,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:52:29,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:52:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:29,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:29,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:52:29,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:29,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:29,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:29,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:29,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:29,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:29,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:29,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:29,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:29,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:29,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:29,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 17:52:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:52:29,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:52:29,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-12 17:52:29,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:52:29,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 17:52:29,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:52:29,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:29,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:52:29,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:52:29,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:29,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:29,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:52:29,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:29,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:52:29,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:29,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:29,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:29,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:29,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:29,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:52:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:52:29,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:29,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:29,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 17:52:29,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:29,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:29,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:52:29,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:29,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:29,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:29,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:29,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:29,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:29,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:29,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:29,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:29,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:29,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:29,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:29,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:29,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:29,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:29,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 17:52:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:29,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:29,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:29,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:29,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 17:52:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:29,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:29,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:29,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:29,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:29,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:29,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:29,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:29,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:29,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:29,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:29,992 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 17:52:29,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [991876094] [2020-10-12 17:52:29,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:52:29,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 17:52:29,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925593710] [2020-10-12 17:52:29,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 17:52:29,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:29,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 17:52:29,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-12 17:52:29,995 INFO L87 Difference]: Start difference. First operand 314 states and 379 transitions. Second operand 13 states. [2020-10-12 17:52:30,530 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:31,452 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:52:31,702 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 17:52:31,958 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:52:32,220 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:52:33,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:52:33,499 INFO L93 Difference]: Finished difference Result 748 states and 1035 transitions. [2020-10-12 17:52:33,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 17:52:33,499 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 137 [2020-10-12 17:52:33,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:52:33,504 INFO L225 Difference]: With dead ends: 748 [2020-10-12 17:52:33,504 INFO L226 Difference]: Without dead ends: 462 [2020-10-12 17:52:33,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=160, Invalid=440, Unknown=0, NotChecked=0, Total=600 [2020-10-12 17:52:33,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2020-10-12 17:52:33,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 330. [2020-10-12 17:52:33,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2020-10-12 17:52:33,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 395 transitions. [2020-10-12 17:52:33,583 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 395 transitions. Word has length 137 [2020-10-12 17:52:33,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:52:33,584 INFO L479 AbstractCegarLoop]: Abstraction has 330 states and 395 transitions. [2020-10-12 17:52:33,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 17:52:33,584 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 395 transitions. [2020-10-12 17:52:33,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-12 17:52:33,587 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:33,587 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:52:33,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:52:33,588 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:33,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:33,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1120842954, now seen corresponding path program 1 times [2020-10-12 17:52:33,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:33,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352784483] [2020-10-12 17:52:33,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:33,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:33,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:34,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:35,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:38,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:38,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 17:52:38,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:52:38,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-12 17:52:38,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 17:52:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-12 17:52:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 17:52:38,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:38,946 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:38,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:38,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:38,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:38,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:38,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:38,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 17:52:38,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:38,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:38,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:38,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:38,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:39,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:39,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:39,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:39,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:39,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:39,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:39,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:39,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:39,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:39,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:39,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:39,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:39,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:39,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:39,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:39,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:39,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:39,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:52:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:39,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:39,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:39,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:39,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 17:52:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:52:39,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:52:39,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-12 17:52:39,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:52:39,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 17:52:39,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:52:39,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:52:39,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:52:39,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:39,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:52:39,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:39,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:52:39,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:39,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:52:39,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:39,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:52:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:52:39,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 17:52:39,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:52:39,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 17:52:39,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:52:39,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:52:39,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:52:39,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:52:39,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:39,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:39,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:52:39,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:39,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:39,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:39,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:39,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 17:52:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:39,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:39,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:39,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:39,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 17:52:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:39,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:39,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:39,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:39,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:39,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 17:52:39,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352784483] [2020-10-12 17:52:39,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:52:39,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-12 17:52:39,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174770368] [2020-10-12 17:52:39,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 17:52:39,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:39,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 17:52:39,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2020-10-12 17:52:39,437 INFO L87 Difference]: Start difference. First operand 330 states and 395 transitions. Second operand 17 states. [2020-10-12 17:52:40,058 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:52:41,163 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:52:41,458 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:52:41,738 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:52:42,008 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:52:42,309 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:52:42,585 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:52:43,098 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:52:43,409 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:52:43,687 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:52:43,916 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:44,190 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:52:44,451 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:44,705 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:52:44,953 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:52:45,236 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:52:45,505 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:52:45,933 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:52:46,189 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 17:52:48,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:52:48,091 INFO L93 Difference]: Finished difference Result 923 states and 1278 transitions. [2020-10-12 17:52:48,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 17:52:48,092 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 99 [2020-10-12 17:52:48,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:52:48,099 INFO L225 Difference]: With dead ends: 923 [2020-10-12 17:52:48,099 INFO L226 Difference]: Without dead ends: 582 [2020-10-12 17:52:48,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=407, Invalid=1849, Unknown=0, NotChecked=0, Total=2256 [2020-10-12 17:52:48,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-10-12 17:52:48,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 444. [2020-10-12 17:52:48,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-12 17:52:48,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 523 transitions. [2020-10-12 17:52:48,193 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 523 transitions. Word has length 99 [2020-10-12 17:52:48,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:52:48,193 INFO L479 AbstractCegarLoop]: Abstraction has 444 states and 523 transitions. [2020-10-12 17:52:48,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 17:52:48,194 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 523 transitions. [2020-10-12 17:52:48,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-12 17:52:48,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:48,197 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:52:48,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 17:52:48,197 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:48,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:48,198 INFO L82 PathProgramCache]: Analyzing trace with hash 237236242, now seen corresponding path program 1 times [2020-10-12 17:52:48,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:48,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582362398] [2020-10-12 17:52:48,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:51,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:51,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-12 17:52:51,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:52:51,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3315 [2020-10-12 17:52:51,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:51,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 17:52:51,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:51,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-12 17:52:51,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:51,791 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:51,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:51,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:51,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:51,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:51,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:51,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-12 17:52:51,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:51,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:51,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:51,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:52:51,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:51,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:51,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:51,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:51,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:51,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:51,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:51,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:51,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:51,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:51,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:51,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:51,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:51,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:51,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:51,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:51,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:51,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:51,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:51,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:51,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:51,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:51,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:51,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:51,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:51,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:51,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:51,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:51,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:51,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:51,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:51,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:51,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:51,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:51,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:51,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:51,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:51,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:51,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:51,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:51,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:51,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:51,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:51,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:51,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:51,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:51,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:51,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:51,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:51,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:51,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:51,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:51,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 17:52:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:51,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:51,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:51,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 17:52:51,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:51,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 17:52:51,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:51,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:51,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:52:51,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 17:52:51,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:51,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:51,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:52,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:52,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:52:52,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:52,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:52:52,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:52,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:52:52,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:52,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 17:52:52,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:52,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:52,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:52,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:52,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:52:52,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:52,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:52,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:52:52,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:52,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:52,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:52,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:52,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:52:52,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:52,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:52,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:52,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:52,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:52,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 17:52:52,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:52,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:52:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:52,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:52,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:52,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:52:52,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:52,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:52,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:52,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:52,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:52,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 17:52:52,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:52,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:52,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:52,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:52,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:52:52,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:52,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:52,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:52,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:52,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:52,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:52,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:52,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:52,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:52,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:52,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:52,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:52,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:52,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:52,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:52,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:52,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:52,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:52,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:52,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:52,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:52,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:52,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:52,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:52,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:52,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:52,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:52:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:52,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:52,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:52,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:52:52,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:52,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:52,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:52:52,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:52,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:52,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:52,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:52,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:52,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:52,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:52,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:52,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:52,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:52,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:52,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:52,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 17:52:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:52,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:52,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:52,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:52,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:52,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:52,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:52,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:52,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:52,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:52,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:52,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 17:52:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:52,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:52,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:52,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:52,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:52,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:52,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:52,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:52,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:52,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:52,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:52,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 17:52:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:52,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:52,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:52,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:52:52,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:52,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:52,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:52,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:52,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 17:52:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:52,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:52,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:52,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:52,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:52,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:52,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:52,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:52,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:52,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:52,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:52,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:52:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:52,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:52,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:52,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:52,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:52,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:52,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:52,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:52,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:52,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:52,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:52,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:52:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:52,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:52,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:52,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:52,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:52,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:52,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:52,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:52,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:52,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:52,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:52,168 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-12 17:52:52,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582362398] [2020-10-12 17:52:52,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:52:52,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 17:52:52,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508879481] [2020-10-12 17:52:52,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 17:52:52,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:52,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 17:52:52,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-12 17:52:52,171 INFO L87 Difference]: Start difference. First operand 444 states and 523 transitions. Second operand 12 states. [2020-10-12 17:52:52,938 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:53,807 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-10-12 17:52:56,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:52:56,727 INFO L93 Difference]: Finished difference Result 1446 states and 1928 transitions. [2020-10-12 17:52:56,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-12 17:52:56,728 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 135 [2020-10-12 17:52:56,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:52:56,739 INFO L225 Difference]: With dead ends: 1446 [2020-10-12 17:52:56,739 INFO L226 Difference]: Without dead ends: 1030 [2020-10-12 17:52:56,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=346, Invalid=1136, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 17:52:56,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2020-10-12 17:52:56,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 879. [2020-10-12 17:52:56,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-10-12 17:52:56,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1081 transitions. [2020-10-12 17:52:56,942 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1081 transitions. Word has length 135 [2020-10-12 17:52:56,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:52:56,943 INFO L479 AbstractCegarLoop]: Abstraction has 879 states and 1081 transitions. [2020-10-12 17:52:56,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 17:52:56,943 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1081 transitions. [2020-10-12 17:52:56,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-12 17:52:56,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:56,952 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:52:56,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 17:52:56,952 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:56,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:56,953 INFO L82 PathProgramCache]: Analyzing trace with hash -75649928, now seen corresponding path program 1 times [2020-10-12 17:52:56,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:56,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1738633485] [2020-10-12 17:52:56,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:57,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:57,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:57,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-12 17:52:57,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:57,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 474 [2020-10-12 17:52:57,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:52:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-10-12 17:52:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 17:52:57,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:57,848 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:57,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:57,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:57,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:57,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:57,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:57,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 17:52:57,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:57,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:57,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:57,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:57,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:57,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:57,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:57,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:57,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:57,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:57,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:57,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:57,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:57,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:57,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:57,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:57,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:57,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:57,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:57,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:57,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:57,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:57,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:57,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:57,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:57,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:57,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:57,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:57,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:57,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:57,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:57,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:57,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:57,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:57,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:57,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:57,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:57,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:57,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:57,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:57,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:57,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:57,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:57,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:57,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:57,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:58,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:58,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:58,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:58,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:52:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:58,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:58,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:58,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:58,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:52:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 17:52:58,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 17:52:58,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:58,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 17:52:58,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:52:58,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:52:58,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:58,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:58,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:52:58,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:58,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:58,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:58,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:52:58,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:58,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:58,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:58,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:52:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:52:58,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:58,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:58,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:58,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:52:58,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:58,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:58,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:58,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:58,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:58,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:58,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:58,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:58,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:58,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:58,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:52:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:52:58,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:52:58,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:58,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 17:52:58,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:58,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:58,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:58,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:58,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 17:52:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:58,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:58,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:58,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:58,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 17:52:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:58,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:58,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:58,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:58,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 17:52:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:52:58,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:58,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:58,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:52:58,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:58,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:58,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:58,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 17:52:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:58,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:58,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:58,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:58,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 17:52:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:58,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:58,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:58,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:58,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:58,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:58,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:58,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:58,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 17:52:58,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1738633485] [2020-10-12 17:52:58,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:52:58,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 17:52:58,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210041294] [2020-10-12 17:52:58,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 17:52:58,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:58,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 17:52:58,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-12 17:52:58,330 INFO L87 Difference]: Start difference. First operand 879 states and 1081 transitions. Second operand 9 states. [2020-10-12 17:52:59,215 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:53:02,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:53:02,268 INFO L93 Difference]: Finished difference Result 1596 states and 2169 transitions. [2020-10-12 17:53:02,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 17:53:02,269 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 139 [2020-10-12 17:53:02,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:53:02,283 INFO L225 Difference]: With dead ends: 1596 [2020-10-12 17:53:02,283 INFO L226 Difference]: Without dead ends: 1593 [2020-10-12 17:53:02,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=199, Invalid=503, Unknown=0, NotChecked=0, Total=702 [2020-10-12 17:53:02,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2020-10-12 17:53:02,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1261. [2020-10-12 17:53:02,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1261 states. [2020-10-12 17:53:02,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1542 transitions. [2020-10-12 17:53:02,481 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1542 transitions. Word has length 139 [2020-10-12 17:53:02,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:53:02,482 INFO L479 AbstractCegarLoop]: Abstraction has 1261 states and 1542 transitions. [2020-10-12 17:53:02,482 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 17:53:02,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1542 transitions. [2020-10-12 17:53:02,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-12 17:53:02,489 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:53:02,489 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:53:02,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 17:53:02,490 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:53:02,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:53:02,490 INFO L82 PathProgramCache]: Analyzing trace with hash 708044325, now seen corresponding path program 1 times [2020-10-12 17:53:02,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:53:02,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1904299135] [2020-10-12 17:53:02,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:53:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-12 17:53:02,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:53:02,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-12 17:53:02,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:02,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 17:53:02,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-12 17:53:02,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,111 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:53:03,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:53:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:03,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 17:53:03,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:53:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:03,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:03,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:03,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:53:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:03,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:03,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:03,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:53:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:03,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:03,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:53:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:03,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:03,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:53:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:03,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:03,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:53:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:03,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:53:03,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:53:03,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:03,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:53:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 17:53:03,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 17:53:03,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:03,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-12 17:53:03,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:53:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:53:03,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:53:03,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:53:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:53:03,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:53:03,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:03,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:53:03,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:03,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:03,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:53:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:53:03,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:53:03,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:03,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:53:03,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:53:03,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:03,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:03,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:53:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:03,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:03,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:03,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:53:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:53:03,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:53:03,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:03,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:03,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:03,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:03,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 17:53:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:03,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:53:03,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:03,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:53:03,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:03,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:53:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-12 17:53:03,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:53:03,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:03,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 17:53:03,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:03,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:03,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:03,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:53:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:53:03,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:53:03,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:53:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:03,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:03,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:03,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 17:53:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:53:03,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:53:03,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:03,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:03,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:53:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:03,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:03,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 17:53:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:03,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:03,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:53:03,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 17:53:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:53:03,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:03,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 17:53:03,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:53:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:03,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:03,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:03,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-12 17:53:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:03,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:03,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:53:03,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-12 17:53:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:03,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:03,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:03,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:03,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:03,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:03,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:03,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:03,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:53:03,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:03,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:03,505 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-12 17:53:03,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1904299135] [2020-10-12 17:53:03,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:53:03,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 17:53:03,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348921758] [2020-10-12 17:53:03,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 17:53:03,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:53:03,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 17:53:03,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-12 17:53:03,509 INFO L87 Difference]: Start difference. First operand 1261 states and 1542 transitions. Second operand 9 states. [2020-10-12 17:53:04,048 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:53:05,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:53:05,712 INFO L93 Difference]: Finished difference Result 1746 states and 2189 transitions. [2020-10-12 17:53:05,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 17:53:05,712 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2020-10-12 17:53:05,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:53:05,722 INFO L225 Difference]: With dead ends: 1746 [2020-10-12 17:53:05,722 INFO L226 Difference]: Without dead ends: 1422 [2020-10-12 17:53:05,724 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=188, Invalid=462, Unknown=0, NotChecked=0, Total=650 [2020-10-12 17:53:05,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2020-10-12 17:53:05,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1243. [2020-10-12 17:53:05,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1243 states. [2020-10-12 17:53:05,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1514 transitions. [2020-10-12 17:53:05,993 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1514 transitions. Word has length 177 [2020-10-12 17:53:05,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:53:05,993 INFO L479 AbstractCegarLoop]: Abstraction has 1243 states and 1514 transitions. [2020-10-12 17:53:05,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 17:53:05,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1514 transitions. [2020-10-12 17:53:06,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-12 17:53:06,000 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:53:06,000 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:53:06,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 17:53:06,001 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:53:06,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:53:06,001 INFO L82 PathProgramCache]: Analyzing trace with hash -867778846, now seen corresponding path program 1 times [2020-10-12 17:53:06,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:53:06,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2091490690] [2020-10-12 17:53:06,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:53:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 17:53:06,070 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 17:53:06,070 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 17:53:06,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 17:53:06,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 05:53:06 BoogieIcfgContainer [2020-10-12 17:53:06,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 17:53:06,126 INFO L168 Benchmark]: Toolchain (without parser) took 63796.23 ms. Allocated memory was 141.0 MB in the beginning and 859.3 MB in the end (delta: 718.3 MB). Free memory was 102.8 MB in the beginning and 190.4 MB in the end (delta: -87.7 MB). Peak memory consumption was 630.6 MB. Max. memory is 7.1 GB. [2020-10-12 17:53:06,126 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 17:53:06,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 837.80 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 169.3 MB in the end (delta: -66.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-10-12 17:53:06,139 INFO L168 Benchmark]: Boogie Preprocessor took 93.78 ms. Allocated memory is still 204.5 MB. Free memory was 169.3 MB in the beginning and 164.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-10-12 17:53:06,139 INFO L168 Benchmark]: RCFGBuilder took 1144.47 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 164.7 MB in the beginning and 187.5 MB in the end (delta: -22.9 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB. [2020-10-12 17:53:06,140 INFO L168 Benchmark]: TraceAbstraction took 61714.71 ms. Allocated memory was 234.4 MB in the beginning and 859.3 MB in the end (delta: 625.0 MB). Free memory was 187.5 MB in the beginning and 190.4 MB in the end (delta: -2.9 MB). Peak memory consumption was 622.1 MB. Max. memory is 7.1 GB. [2020-10-12 17:53:06,148 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 837.80 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 169.3 MB in the end (delta: -66.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.78 ms. Allocated memory is still 204.5 MB. Free memory was 169.3 MB in the beginning and 164.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1144.47 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 164.7 MB in the beginning and 187.5 MB in the end (delta: -22.9 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 61714.71 ms. Allocated memory was 234.4 MB in the beginning and 859.3 MB in the end (delta: 625.0 MB). Free memory was 187.5 MB in the beginning and 190.4 MB in the end (delta: -2.9 MB). Peak memory consumption was 622.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 844]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L486] int pumpRunning = 0; [L487] int systemActive = 1; [L666] int methAndRunningLastTime ; [L743] int cleanupTimeShifts = 4; [L850] int waterLevel = 1; [L851] int methaneLevelCritical = 0; [L817] int retValue_acc ; [L818] int tmp ; [L822] FCALL select_helpers() [L823] FCALL select_features() [L824] CALL, EXPR valid_product() [L734] int retValue_acc ; [L737] retValue_acc = 1 [L738] return (retValue_acc); [L824] RET, EXPR valid_product() [L824] tmp = valid_product() [L826] COND TRUE \read(tmp) [L828] FCALL setup() [L829] CALL runTest() [L810] CALL __utac_acc__Specification2_spec__1() [L671] methAndRunningLastTime = 0 [L810] RET __utac_acc__Specification2_spec__1() [L811] CALL test() [L412] int splverifierCounter ; [L413] int tmp ; [L414] int tmp___0 ; [L415] int tmp___1 ; [L416] int tmp___2 ; [L419] splverifierCounter = 0 [L421] COND TRUE 1 [L423] COND TRUE splverifierCounter < 4 [L429] tmp = __VERIFIER_nondet_int() [L431] COND TRUE \read(tmp) [L433] CALL waterRise() [L868] COND TRUE waterLevel < 2 [L869] waterLevel = waterLevel + 1 [L433] RET waterRise() [L439] tmp___0 = __VERIFIER_nondet_int() [L441] COND FALSE !(\read(tmp___0)) [L449] tmp___2 = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp___2)) [L457] tmp___1 = __VERIFIER_nondet_int() [L459] COND TRUE \read(tmp___1) [L466] CALL timeShift() [L494] COND FALSE !(\read(pumpRunning)) [L501] COND TRUE \read(systemActive) [L503] CALL processEnvironment() [L523] int tmp ; [L526] COND TRUE ! pumpRunning [L528] CALL, EXPR isHighWaterLevel() [L638] int retValue_acc ; [L639] int tmp ; [L640] int tmp___0 ; [L644] CALL, EXPR isHighWaterSensorDry() [L930] int retValue_acc ; [L933] COND FALSE !(waterLevel < 2) [L937] retValue_acc = 0 [L938] return (retValue_acc); [L644] RET, EXPR isHighWaterSensorDry() [L644] tmp = isHighWaterSensorDry() [L646] COND FALSE !(\read(tmp)) [L649] tmp___0 = 1 [L651] retValue_acc = tmp___0 [L652] return (retValue_acc); [L528] RET, EXPR isHighWaterLevel() [L528] tmp = isHighWaterLevel() [L530] COND TRUE \read(tmp) [L532] CALL activatePump() [L557] int tmp ; [L561] CALL, EXPR isMethaneAlarm() [L582] int retValue_acc ; [L586] CALL, EXPR isMethaneLevelCritical() [L889] int retValue_acc ; [L892] retValue_acc = methaneLevelCritical [L893] return (retValue_acc); [L586] RET, EXPR isMethaneLevelCritical() [L586] retValue_acc = isMethaneLevelCritical() [L588] return (retValue_acc); [L561] RET, EXPR isMethaneAlarm() [L561] tmp = isMethaneAlarm() [L563] COND FALSE !(\read(tmp)) [L567] CALL activatePump__wrappee__highWaterSensor() [L551] pumpRunning = 1 [L567] RET activatePump__wrappee__highWaterSensor() [L532] RET activatePump() [L503] RET processEnvironment() [L509] CALL __utac_acc__Specification2_spec__2() [L676] int tmp ; [L677] int tmp___0 ; [L681] CALL, EXPR isMethaneLevelCritical() [L889] int retValue_acc ; [L892] retValue_acc = methaneLevelCritical [L893] return (retValue_acc); [L681] RET, EXPR isMethaneLevelCritical() [L681] tmp = isMethaneLevelCritical() [L683] COND FALSE !(\read(tmp)) [L699] methAndRunningLastTime = 0 [L509] RET __utac_acc__Specification2_spec__2() [L466] RET timeShift() [L421] COND TRUE 1 [L423] COND TRUE splverifierCounter < 4 [L429] tmp = __VERIFIER_nondet_int() [L431] COND FALSE !(\read(tmp)) [L439] tmp___0 = __VERIFIER_nondet_int() [L441] COND TRUE \read(tmp___0) [L443] CALL changeMethaneLevel() [L880] COND FALSE !(\read(methaneLevelCritical)) [L883] methaneLevelCritical = 1 [L443] RET changeMethaneLevel() [L449] tmp___2 = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp___2)) [L457] tmp___1 = __VERIFIER_nondet_int() [L459] COND TRUE \read(tmp___1) [L466] CALL timeShift() [L494] COND TRUE \read(pumpRunning) [L496] CALL lowerWaterLevel() [L856] COND TRUE waterLevel > 0 [L857] waterLevel = waterLevel - 1 [L496] RET lowerWaterLevel() [L501] COND TRUE \read(systemActive) [L503] CALL processEnvironment() [L523] int tmp ; [L526] COND FALSE !(! pumpRunning) [L541] FCALL processEnvironment__wrappee__base() [L503] RET processEnvironment() [L509] CALL __utac_acc__Specification2_spec__2() [L676] int tmp ; [L677] int tmp___0 ; [L681] CALL, EXPR isMethaneLevelCritical() [L889] int retValue_acc ; [L892] retValue_acc = methaneLevelCritical [L893] return (retValue_acc); [L681] RET, EXPR isMethaneLevelCritical() [L681] tmp = isMethaneLevelCritical() [L683] COND TRUE \read(tmp) [L685] CALL, EXPR isPumpRunning() [L593] int retValue_acc ; [L596] retValue_acc = pumpRunning [L597] return (retValue_acc); [L685] RET, EXPR isPumpRunning() [L685] tmp___0 = isPumpRunning() [L687] COND TRUE \read(tmp___0) [L688] COND FALSE !(\read(methAndRunningLastTime)) [L693] methAndRunningLastTime = 1 [L509] RET __utac_acc__Specification2_spec__2() [L466] RET timeShift() [L421] COND TRUE 1 [L423] COND TRUE splverifierCounter < 4 [L429] tmp = __VERIFIER_nondet_int() [L431] COND FALSE !(\read(tmp)) [L439] tmp___0 = __VERIFIER_nondet_int() [L441] COND FALSE !(\read(tmp___0)) [L449] tmp___2 = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp___2)) [L457] tmp___1 = __VERIFIER_nondet_int() [L459] COND TRUE \read(tmp___1) [L466] CALL timeShift() [L494] COND TRUE \read(pumpRunning) [L496] CALL lowerWaterLevel() [L856] COND TRUE waterLevel > 0 [L857] waterLevel = waterLevel - 1 [L496] RET lowerWaterLevel() [L501] COND TRUE \read(systemActive) [L503] CALL processEnvironment() [L523] int tmp ; [L526] COND FALSE !(! pumpRunning) [L541] FCALL processEnvironment__wrappee__base() [L503] RET processEnvironment() [L509] CALL __utac_acc__Specification2_spec__2() [L676] int tmp ; [L677] int tmp___0 ; [L681] CALL, EXPR isMethaneLevelCritical() [L889] int retValue_acc ; [L892] retValue_acc = methaneLevelCritical [L893] return (retValue_acc); [L681] RET, EXPR isMethaneLevelCritical() [L681] tmp = isMethaneLevelCritical() [L683] COND TRUE \read(tmp) [L685] CALL, EXPR isPumpRunning() [L593] int retValue_acc ; [L596] retValue_acc = pumpRunning [L597] return (retValue_acc); [L685] RET, EXPR isPumpRunning() [L685] tmp___0 = isPumpRunning() [L687] COND TRUE \read(tmp___0) [L688] COND TRUE \read(methAndRunningLastTime) [L690] CALL __automaton_fail() [L844] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 61.6s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 30.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 877 SDtfs, 2686 SDslu, 1458 SDs, 0 SdLazy, 7093 SolverSat, 2036 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 481 GetRequests, 292 SyntacticMatches, 3 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1417 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1261occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 1058 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 29.1s InterpolantComputationTime, 981 NumberOfCodeBlocks, 981 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 792 ConstructedInterpolants, 0 QuantifiedInterpolants, 342328 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 189/196 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...