/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 SingleStatement --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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:59:38,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:59:38,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:59:38,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:59:38,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:59:38,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:59:38,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:59:38,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:59:38,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:59:38,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:59:38,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:59:38,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:59:38,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:59:38,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:59:38,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:59:38,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:59:38,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:59:38,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:59:38,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:59:38,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:59:38,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:59:38,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:59:38,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:59:38,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:59:38,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:59:38,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:59:38,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:59:38,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:59:38,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:59:38,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:59:38,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:59:38,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:59:38,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:59:38,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:59:38,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:59:38,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:59:38,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:59:38,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:59:38,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:59:38,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:59:38,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:59:38,535 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 [2020-09-25 11:59:38,593 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:59:38,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:59:38,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:59:38,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:59:38,598 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:59:38,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:59:38,599 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:59:38,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:59:38,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:59:38,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:59:38,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:59:38,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:59:38,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:59:38,603 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:59:38,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:59:38,603 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:59:38,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:59:38,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:59:38,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:59:38,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:59:38,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:59:38,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:59:38,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:59:38,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:59:38,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:59:38,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:59:38,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:59:38,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:59:38,606 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:59:38,606 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 -> SingleStatement 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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 11:59:39,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:59:39,093 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:59:39,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:59:39,099 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:59:39,101 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:59:39,103 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c [2020-09-25 11:59:39,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f2f7ba6fe/f0ea88ed9fd44297a7bba410c7696b41/FLAGd195ee55e [2020-09-25 11:59:39,807 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:59:39,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c [2020-09-25 11:59:39,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f2f7ba6fe/f0ea88ed9fd44297a7bba410c7696b41/FLAGd195ee55e [2020-09-25 11:59:40,065 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f2f7ba6fe/f0ea88ed9fd44297a7bba410c7696b41 [2020-09-25 11:59:40,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:59:40,084 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:59:40,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:59:40,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:59:40,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:59:40,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:59:40" (1/1) ... [2020-09-25 11:59:40,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:40, skipping insertion in model container [2020-09-25 11:59:40,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:59:40" (1/1) ... [2020-09-25 11:59:40,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:59:40,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:59:40,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:59:40,719 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:59:40,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:59:40,847 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:59:40,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:40 WrapperNode [2020-09-25 11:59:40,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:59:40,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:59:40,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:59:40,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:59:40,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:40" (1/1) ... [2020-09-25 11:59:40,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:40" (1/1) ... [2020-09-25 11:59:40,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:40" (1/1) ... [2020-09-25 11:59:40,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:40" (1/1) ... [2020-09-25 11:59:40,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:40" (1/1) ... [2020-09-25 11:59:40,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:40" (1/1) ... [2020-09-25 11:59:40,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:40" (1/1) ... [2020-09-25 11:59:40,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:59:40,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:59:40,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:59:40,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:59:40,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:40" (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 [2020-09-25 11:59:41,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:59:41,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:59:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:59:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:59:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:59:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:59:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:59:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:59:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:59:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:59:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:59:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:59:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:59:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:59:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:59:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:59:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:59:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 11:59:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:59:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:59:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:59:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:59:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:59:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:59:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:59:41,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:59:41,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:59:41,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:59:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:59:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:59:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:59:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:59:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:59:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:59:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:59:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 11:59:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 11:59:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:59:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:59:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:59:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:59:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:59:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:59:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:59:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:59:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:59:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:59:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:59:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:59:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:59:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:59:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:59:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 11:59:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 11:59:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:59:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:59:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:59:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:59:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:59:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:59:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:59:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:59:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:59:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:59:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:59:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:59:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:59:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:59:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:59:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:59:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:59:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:59:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:59:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:59:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:59:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:59:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:59:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:59:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:59:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:59:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:59:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:59:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 11:59:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:59:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:59:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:59:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:59:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:59:42,244 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:59:42,245 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:59:42,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:59:42 BoogieIcfgContainer [2020-09-25 11:59:42,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:59:42,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:59:42,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:59:42,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:59:42,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:59:40" (1/3) ... [2020-09-25 11:59:42,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c78f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:59:42, skipping insertion in model container [2020-09-25 11:59:42,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:40" (2/3) ... [2020-09-25 11:59:42,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c78f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:59:42, skipping insertion in model container [2020-09-25 11:59:42,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:59:42" (3/3) ... [2020-09-25 11:59:42,263 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2020-09-25 11:59:42,273 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:59:42,283 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:59:42,301 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:59:42,333 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:59:42,333 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:59:42,334 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:59:42,334 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:59:42,334 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:59:42,334 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:59:42,334 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:59:42,334 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:59:42,360 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states. [2020-09-25 11:59:42,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 11:59:42,378 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:59:42,380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:59:42,380 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:59:42,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:59:42,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1405444908, now seen corresponding path program 1 times [2020-09-25 11:59:42,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:59:42,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [910533411] [2020-09-25 11:59:42,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:59:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:42,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:43,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:44,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:45,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:45,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:47,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:47,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:47,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 11:59:47,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 11:59:47,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-09-25 11:59:47,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:47,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:47,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 11:59:47,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 11:59:47,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-25 11:59:47,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 11:59:48,405 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:59:48,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:59:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:48,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:48,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:48,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:59:48,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:48,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-09-25 11:59:48,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:48,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:48,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 11:59:48,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:48,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:59:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:48,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:48,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:48,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:48,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:48,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:59:48,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:48,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:48,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:48,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:48,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:59:48,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:48,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:59:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:48,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:48,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:48,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:48,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:48,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:59:48,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:48,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:48,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:48,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:48,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:59:48,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:48,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:59:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:48,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:48,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:48,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:48,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:48,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:59:48,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:48,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:48,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:48,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:48,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:59:48,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:48,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:59:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:48,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:48,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:48,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:48,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:48,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:59:48,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:48,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:48,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:48,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:48,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:59:48,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:48,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:59:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:48,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:48,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:48,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:59:48,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:48,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 11:59:48,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:48,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:48,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:48,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:48,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:59:48,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:48,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 11:59:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:48,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:48,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:48,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:48,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:48,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 11:59:48,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:48,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:48,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:59:48,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:48,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:59:48,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:49,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:59:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:49,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:49,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:49,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:49,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:49,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:59:49,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:49,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:59:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:59:49,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:59:49,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:49,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:59:49,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [910533411] [2020-09-25 11:59:49,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:59:49,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:59:49,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361425461] [2020-09-25 11:59:49,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:59:49,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:59:49,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:59:49,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:59:49,097 INFO L87 Difference]: Start difference. First operand 279 states. Second operand 9 states. [2020-09-25 11:59:49,807 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:59:50,856 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:59:51,176 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:59:51,507 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:59:51,879 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:59:52,213 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:59:52,938 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:59:53,244 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:59:53,677 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:59:54,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:59:54,608 INFO L93 Difference]: Finished difference Result 548 states and 675 transitions. [2020-09-25 11:59:54,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 11:59:54,611 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-25 11:59:54,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:59:54,640 INFO L225 Difference]: With dead ends: 548 [2020-09-25 11:59:54,640 INFO L226 Difference]: Without dead ends: 382 [2020-09-25 11:59:54,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-25 11:59:54,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-09-25 11:59:54,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 313. [2020-09-25 11:59:54,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-09-25 11:59:54,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 348 transitions. [2020-09-25 11:59:54,785 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 348 transitions. Word has length 148 [2020-09-25 11:59:54,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:59:54,786 INFO L479 AbstractCegarLoop]: Abstraction has 313 states and 348 transitions. [2020-09-25 11:59:54,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:59:54,786 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 348 transitions. [2020-09-25 11:59:54,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-25 11:59:54,791 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:59:54,792 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:59:54,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:59:54,792 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:59:54,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:59:54,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1924713147, now seen corresponding path program 1 times [2020-09-25 11:59:54,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:59:54,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1443380066] [2020-09-25 11:59:54,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:59:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:54,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:55,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:56,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:56,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:59,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:59,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-09-25 11:59:59,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:59:59,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 11:59:59,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:59,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:59,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 11:59:59,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 11:59:59,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-25 11:59:59,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:00,183 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:00,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:00:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:00,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:00,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:00,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:00:00,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:00,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-09-25 12:00:00,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:00,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:00,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:00,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:00,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 12:00:00,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:00,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:00:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:00,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:00,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:00,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:00,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:00,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:00,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:00,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:00,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:00,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:00,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:00,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:00,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:00:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:00,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:00,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:00,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:00,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:00,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:00,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:00,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:00,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:00,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:00,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:00,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:00,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:00:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:00,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:00,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:00,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:00,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:00,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:00:00,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:00,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:00,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:00,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:00,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:00,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:00,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:00:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:00,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:00,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:00,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:00,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:00,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:00,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:00,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:00,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:00,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:00:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:00,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:00,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:00,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:00:00,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:00,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:00,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:00,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:00,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:00,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:00:00,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:00,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:00:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:00,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:00,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:00,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:00:00,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:00,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:00:00,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:00,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:00,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:00,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:00,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:00:00,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:00,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 12:00:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:00,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:00,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:00,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:00,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:00,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:00:00,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:00,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:00,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:00:00,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:00:00,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:00:00,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:00,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 12:00:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:00,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:00,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:00,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:00,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:00,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:00:00,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:00,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:00,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:00:00,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:00:00,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:00:00,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:00,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:00:00,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1443380066] [2020-09-25 12:00:00,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:00:00,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 12:00:00,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246066953] [2020-09-25 12:00:00,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 12:00:00,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:00:00,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 12:00:00,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 12:00:00,726 INFO L87 Difference]: Start difference. First operand 313 states and 348 transitions. Second operand 7 states. [2020-09-25 12:00:01,206 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:01,954 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:04,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:00:04,194 INFO L93 Difference]: Finished difference Result 1022 states and 1244 transitions. [2020-09-25 12:00:04,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 12:00:04,195 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 163 [2020-09-25 12:00:04,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:00:04,205 INFO L225 Difference]: With dead ends: 1022 [2020-09-25 12:00:04,206 INFO L226 Difference]: Without dead ends: 824 [2020-09-25 12:00:04,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2020-09-25 12:00:04,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2020-09-25 12:00:04,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 645. [2020-09-25 12:00:04,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-09-25 12:00:04,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 746 transitions. [2020-09-25 12:00:04,338 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 746 transitions. Word has length 163 [2020-09-25 12:00:04,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:00:04,339 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 746 transitions. [2020-09-25 12:00:04,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 12:00:04,340 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 746 transitions. [2020-09-25 12:00:04,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-25 12:00:04,344 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:00:04,344 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:00:04,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:00:04,345 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:00:04,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:00:04,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1840302374, now seen corresponding path program 1 times [2020-09-25 12:00:04,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:00:04,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287667747] [2020-09-25 12:00:04,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:00:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:04,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:04,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:05,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:07,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:09,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:09,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-25 12:00:09,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:00:09,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-09-25 12:00:09,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:09,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:09,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:00:09,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 12:00:09,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-09-25 12:00:09,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:09,880 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:09,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:00:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:09,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:10,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:10,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:00:10,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:10,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-09-25 12:00:10,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:10,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:10,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:10,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:10,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 12:00:10,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:10,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:00:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:10,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:10,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:10,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:10,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:10,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:00:10,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:10,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:10,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:10,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:10,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:10,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:10,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:00:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:10,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:10,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:10,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:10,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:10,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:10,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:10,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:10,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:10,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:10,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:00:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:10,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:10,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:10,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:10,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:10,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:00:10,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:10,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:10,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:10,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:10,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:10,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 12:00:10,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:00:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:10,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:10,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:10,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:10,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:10,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:00:10,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:10,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:10,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:10,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:10,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:10,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:00:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:10,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:10,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:10,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:00:10,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:10,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:10,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:10,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:10,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:00:10,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:10,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:00:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:10,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:10,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:10,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:00:10,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:10,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:00:10,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:10,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:10,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:10,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:10,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:00:10,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:10,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 12:00:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:10,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:10,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:10,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:10,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:00:10,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:00:10,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:00:10,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:10,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:00:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:00:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:00:10,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:00:10,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:00:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:10,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:10,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:10,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:10,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:10,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:10,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:10,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:10,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:10,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:10,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:10,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:00:10,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 12:00:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:10,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:10,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:10,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:10,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:10,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:10,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:10,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:10,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:10,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:10,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:10,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:10,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 12:00:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:10,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:10,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:10,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:10,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:10,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:00:10,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:10,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:10,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:00:10,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:10,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:10,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:10,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:00:10,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1287667747] [2020-09-25 12:00:10,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:00:10,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 12:00:10,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437553893] [2020-09-25 12:00:10,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 12:00:10,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:00:10,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 12:00:10,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:00:10,550 INFO L87 Difference]: Start difference. First operand 645 states and 746 transitions. Second operand 11 states. [2020-09-25 12:00:11,320 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:12,589 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:12,908 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:13,270 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:13,564 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:13,876 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:14,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:00:14,291 INFO L93 Difference]: Finished difference Result 1185 states and 1460 transitions. [2020-09-25 12:00:14,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 12:00:14,292 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 171 [2020-09-25 12:00:14,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:00:14,294 INFO L225 Difference]: With dead ends: 1185 [2020-09-25 12:00:14,294 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 12:00:14,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2020-09-25 12:00:14,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 12:00:14,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 12:00:14,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 12:00:14,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 12:00:14,301 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2020-09-25 12:00:14,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:00:14,302 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 12:00:14,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 12:00:14,302 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 12:00:14,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 12:00:14,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:00:14,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 12:00:14,507 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:14,693 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:14,882 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:15,062 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:15,257 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 6 [2020-09-25 12:00:15,429 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:15,588 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:15,759 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:15,918 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:16,072 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:16,247 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:16,392 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 6 [2020-09-25 12:00:16,562 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:16,720 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:16,881 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:17,040 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:17,200 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:17,396 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:17,511 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 6 [2020-09-25 12:00:17,655 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:17,809 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:17,968 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:18,126 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:18,280 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:18,429 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:18,579 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:18,733 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:18,887 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:19,045 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:19,210 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:19,369 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:19,522 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:19,680 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:19,834 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:19,982 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:20,131 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:20,284 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:20,433 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:20,590 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:20,744 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:20,893 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:21,046 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:21,206 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:21,374 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:21,524 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:21,678 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:21,835 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:21,987 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:22,148 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:22,301 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:22,458 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:22,616 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:22,769 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:22,927 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:23,075 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:23,230 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:23,390 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:23,554 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:23,919 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2020-09-25 12:00:24,265 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:24,617 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:24,949 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 12:00:25,212 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-25 12:00:25,487 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-25 12:00:25,821 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 12:00:26,151 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 12:00:26,496 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:26,842 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:27,187 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:27,534 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2020-09-25 12:00:27,880 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:28,222 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 12:00:28,488 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-25 12:00:28,822 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 12:00:29,158 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 12:00:29,499 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 12:00:29,763 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-25 12:00:30,113 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2020-09-25 12:00:30,272 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:30,429 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:30,586 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:30,739 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:30,897 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:31,049 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:31,201 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:31,358 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:31,513 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:31,662 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:31,825 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:31,982 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:32,099 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 6 [2020-09-25 12:00:32,259 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:32,417 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:32,573 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:32,728 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:32,876 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:33,027 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191