/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:47:45,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:47:45,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:47:45,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:47:45,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:47:45,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:47:45,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:47:45,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:47:45,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:47:45,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:47:45,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:47:45,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:47:45,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:47:45,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:47:45,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:47:45,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:47:45,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:47:45,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:47:45,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:47:45,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:47:45,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:47:45,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:47:45,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:47:45,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:47:45,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:47:45,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:47:45,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:47:45,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:47:45,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:47:45,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:47:45,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:47:45,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:47:45,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:47:45,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:47:45,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:47:45,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:47:45,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:47:45,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:47:45,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:47:45,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:47:45,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:47:45,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 17:47:45,626 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:47:45,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:47:45,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:47:45,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:47:45,628 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:47:45,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:47:45,628 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:47:45,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:47:45,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:47:45,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:47:45,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:47:45,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:47:45,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:47:45,629 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:47:45,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:47:45,630 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:47:45,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:47:45,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:47:45,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:47:45,630 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:47:45,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:47:45,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:47:45,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:47:45,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:47:45,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:47:45,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:47:45,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:47:45,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:47:45,632 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:47:45,632 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:47:45,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:47:45,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:47:45,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:47:45,996 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:47:45,997 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:47:45,998 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product42.cil.c [2020-10-12 17:47:46,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4bd14ef99/c81ccb0351db4e4684d233e434b0cccf/FLAG07f84b248 [2020-10-12 17:47:46,565 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:47:46,566 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product42.cil.c [2020-10-12 17:47:46,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4bd14ef99/c81ccb0351db4e4684d233e434b0cccf/FLAG07f84b248 [2020-10-12 17:47:46,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4bd14ef99/c81ccb0351db4e4684d233e434b0cccf [2020-10-12 17:47:46,875 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:47:46,877 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:47:46,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:47:46,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:47:46,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:47:46,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:47:46" (1/1) ... [2020-10-12 17:47:46,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a651680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:46, skipping insertion in model container [2020-10-12 17:47:46,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:47:46" (1/1) ... [2020-10-12 17:47:46,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:47:46,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:47:47,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:47:47,398 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:47:47,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:47:47,530 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:47:47,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:47 WrapperNode [2020-10-12 17:47:47,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:47:47,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:47:47,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:47:47,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:47:47,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:47" (1/1) ... [2020-10-12 17:47:47,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:47" (1/1) ... [2020-10-12 17:47:47,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:47" (1/1) ... [2020-10-12 17:47:47,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:47" (1/1) ... [2020-10-12 17:47:47,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:47" (1/1) ... [2020-10-12 17:47:47,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:47" (1/1) ... [2020-10-12 17:47:47,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:47" (1/1) ... [2020-10-12 17:47:47,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:47:47,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:47:47,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:47:47,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:47:47,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:47:47,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:47:47,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:47:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:47:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:47:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:47:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:47:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:47:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:47:47,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:47:47,743 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 17:47:47,743 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 17:47:47,743 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 17:47:47,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 17:47:47,743 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 17:47:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 17:47:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-12 17:47:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:47:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 17:47:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-12 17:47:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 17:47:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-12 17:47:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 17:47:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 17:47:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 17:47:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 17:47:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 17:47:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-12 17:47:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-12 17:47:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:47:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-12 17:47:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:47:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:47:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:47:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:47:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 17:47:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 17:47:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:47:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 17:47:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:47:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:47:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:47:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:47:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:47:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:47:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:47:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:47:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:47:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:47:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:47:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:47:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:47:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:47:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:47:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:47:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:47:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:47:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:47:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:47:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:47:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 17:47:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 17:47:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 17:47:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 17:47:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 17:47:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 17:47:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-12 17:47:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-12 17:47:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 17:47:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 17:47:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:47:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 17:47:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 17:47:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 17:47:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 17:47:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-12 17:47:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 17:47:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-12 17:47:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-12 17:47:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-12 17:47:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 17:47:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:47:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:47:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:47:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:47:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:47:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 17:47:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:47:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 17:47:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:47:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:47:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:47:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:47:49,034 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:47:49,034 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 17:47:49,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:47:49 BoogieIcfgContainer [2020-10-12 17:47:49,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:47:49,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:47:49,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:47:49,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:47:49,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:47:46" (1/3) ... [2020-10-12 17:47:49,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea334e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:47:49, skipping insertion in model container [2020-10-12 17:47:49,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:47" (2/3) ... [2020-10-12 17:47:49,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea334e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:47:49, skipping insertion in model container [2020-10-12 17:47:49,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:47:49" (3/3) ... [2020-10-12 17:47:49,048 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product42.cil.c [2020-10-12 17:47:49,058 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:47:49,066 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:47:49,077 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:47:49,101 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:47:49,101 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:47:49,101 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:47:49,101 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:47:49,102 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:47:49,102 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:47:49,102 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:47:49,102 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:47:49,125 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-10-12 17:47:49,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-12 17:47:49,135 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:47:49,136 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] [2020-10-12 17:47:49,137 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:47:49,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:47:49,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1542772809, now seen corresponding path program 1 times [2020-10-12 17:47:49,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:47:49,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662762941] [2020-10-12 17:47:49,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:47:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:49,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:49,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:50,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:50,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:51,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:54,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:54,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-12 17:47:54,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:47:54,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4734 [2020-10-12 17:47:54,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:54,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 17:47:54,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:47:54,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 17:47:54,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 17:47:54,668 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:47:54,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:47:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:54,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:54,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:54,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:54,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:54,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-12 17:47:54,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:54,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:47:54,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:47:54,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:47:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:54,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:54,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:54,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:47:54,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:54,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:47:54,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:47:54,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:54,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:47:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:54,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:54,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:54,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:47:54,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:54,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:47:54,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:47:54,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:54,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:47:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:54,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:54,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:54,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:54,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:54,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:47:54,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:54,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:54,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:54,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:47:54,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:54,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:47:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:54,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:54,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:54,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:47:54,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:54,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:47:54,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:54,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:54,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:54,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:47:54,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:54,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:47:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:54,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:54,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:54,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:54,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:54,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:47:54,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:54,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:54,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:54,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:47:54,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:54,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 17:47:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:54,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:54,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:54,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:54,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:54,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:47:54,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:54,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:47:54,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:54,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:47:54,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:54,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:47:54,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662762941] [2020-10-12 17:47:54,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:47:54,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 17:47:54,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338544772] [2020-10-12 17:47:54,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 17:47:54,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:47:54,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 17:47:54,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-12 17:47:54,953 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 7 states. [2020-10-12 17:47:55,385 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:47:56,304 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:47:56,600 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:47:56,898 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:47:57,640 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:47:57,970 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:47:58,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:47:58,806 INFO L93 Difference]: Finished difference Result 370 states and 507 transitions. [2020-10-12 17:47:58,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 17:47:58,808 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-12 17:47:58,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:47:58,825 INFO L225 Difference]: With dead ends: 370 [2020-10-12 17:47:58,825 INFO L226 Difference]: Without dead ends: 227 [2020-10-12 17:47:58,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-12 17:47:58,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-12 17:47:58,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 193. [2020-10-12 17:47:58,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-10-12 17:47:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 241 transitions. [2020-10-12 17:47:58,942 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 241 transitions. Word has length 46 [2020-10-12 17:47:58,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:47:58,943 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 241 transitions. [2020-10-12 17:47:58,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 17:47:58,943 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 241 transitions. [2020-10-12 17:47:58,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-12 17:47:58,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:47:58,948 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:47:58,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:47:58,949 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:47:58,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:47:58,949 INFO L82 PathProgramCache]: Analyzing trace with hash 35970069, now seen corresponding path program 1 times [2020-10-12 17:47:58,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:47:58,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643040816] [2020-10-12 17:47:58,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:47:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:59,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:59,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:59,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:03,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:04,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 17:48:04,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:48:04,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-12 17:48:04,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:04,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 17:48:04,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:04,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 17:48:04,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:04,349 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:48:04,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:48:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:04,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:04,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:04,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:04,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:04,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-12 17:48:04,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:04,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:04,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:04,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:48:04,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:04,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:48:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:04,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:04,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:04,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:04,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:04,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:04,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:04,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:04,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:04,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:04,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:04,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:48:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:04,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:04,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:04,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:04,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:04,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:04,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:04,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:04,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:04,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:04,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:04,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:04,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:04,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:04,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:04,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:04,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:48:04,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:04,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:04,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:04,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:04,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:04,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:48:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:04,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:04,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:04,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:04,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:04,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:04,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:04,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:04,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:04,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:04,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:04,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 17:48:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:04,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:04,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:04,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:04,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:04,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:48:04,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:48:04,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-12 17:48:04,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:04,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:48:04,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:04,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 17:48:04,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:04,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:04,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:04,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:04,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:48:04,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:04,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:48:04,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:04,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:04,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:04,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:04,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:04,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:04,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:48:04,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:04,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:48:04,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:04,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:04,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:04,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:04,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:04,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:48:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:04,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:04,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:04,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:48:04,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:04,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 17:48:04,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:04,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:48:04,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:04,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 17:48:04,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:04,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:04,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:04,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:04,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:48:04,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:04,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 17:48:04,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:04,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:48:04,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:04,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:48:04,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:05,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:05,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:05,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:05,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:05,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:48:05,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:05,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:05,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:05,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:05,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:05,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:05,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:05,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:05,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:05,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:05,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:05,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 17:48:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:05,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:05,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:05,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 17:48:05,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:48:05,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:05,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:05,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:05,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 17:48:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:05,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:05,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:05,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:48:05,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:05,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:05,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:05,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:05,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 17:48:05,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [643040816] [2020-10-12 17:48:05,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:48:05,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 17:48:05,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399833509] [2020-10-12 17:48:05,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 17:48:05,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:48:05,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 17:48:05,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-12 17:48:05,150 INFO L87 Difference]: Start difference. First operand 193 states and 241 transitions. Second operand 12 states. [2020-10-12 17:48:05,567 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:06,398 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:06,724 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:48:06,987 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:48:07,398 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:07,735 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:08,515 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:08,756 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:09,662 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:09,880 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:10,164 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:48:10,425 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:48:10,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:48:10,881 INFO L93 Difference]: Finished difference Result 600 states and 863 transitions. [2020-10-12 17:48:10,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 17:48:10,883 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 90 [2020-10-12 17:48:10,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:48:10,889 INFO L225 Difference]: With dead ends: 600 [2020-10-12 17:48:10,889 INFO L226 Difference]: Without dead ends: 372 [2020-10-12 17:48:10,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=134, Invalid=466, Unknown=0, NotChecked=0, Total=600 [2020-10-12 17:48:10,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-10-12 17:48:10,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 309. [2020-10-12 17:48:10,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-10-12 17:48:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 380 transitions. [2020-10-12 17:48:10,975 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 380 transitions. Word has length 90 [2020-10-12 17:48:10,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:48:10,975 INFO L479 AbstractCegarLoop]: Abstraction has 309 states and 380 transitions. [2020-10-12 17:48:10,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 17:48:10,976 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 380 transitions. [2020-10-12 17:48:10,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-12 17:48:10,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:48:10,986 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:48:10,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:48:10,991 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:48:10,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:48:10,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1085081284, now seen corresponding path program 1 times [2020-10-12 17:48:10,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:48:10,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [219147193] [2020-10-12 17:48:10,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:48:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:11,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:11,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:11,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:13,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:13,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-12 17:48:13,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:48:13,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2678 [2020-10-12 17:48:13,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:48:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-12 17:48:13,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,091 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:48:14,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:48:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:14,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-12 17:48:14,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:14,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:14,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:48:14,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:48:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:14,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:14,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:14,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:14,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:14,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:48:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:14,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:14,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:14,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:14,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:14,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:14,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:14,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:14,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:14,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:14,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:48:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:14,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:14,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:14,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:14,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:14,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 17:48:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 17:48:14,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:48:14,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-12 17:48:14,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:48:14,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 17:48:14,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:48:14,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:48:14,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 17:48:14,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:48:14,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 17:48:14,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:48:14,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:48:14,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:48:14,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:48:14,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:14,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:48:14,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:48:14,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:14,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:14,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:14,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:14,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:14,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:48:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:48:14,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:48:14,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 17:48:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:14,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:48:14,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:14,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:14,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:14,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:14,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:14,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:48:14,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:14,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:14,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:14,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:14,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:48:14,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:14,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:14,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:14,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:48:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:48:14,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:14,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:14,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-12 17:48:14,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:14,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:14,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:48:14,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:14,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:14,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:14,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 17:48:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:14,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:14,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:14,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:14,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:14,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 17:48:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:14,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:14,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:14,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:14,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:14,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 17:48:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:14,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:14,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:14,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:14,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:14,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 17:48:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:14,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:14,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:14,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:14,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:14,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:14,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:14,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:14,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:14,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:14,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:14,533 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-12 17:48:14,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [219147193] [2020-10-12 17:48:14,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:48:14,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 17:48:14,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250189860] [2020-10-12 17:48:14,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 17:48:14,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:48:14,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 17:48:14,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-12 17:48:14,536 INFO L87 Difference]: Start difference. First operand 309 states and 380 transitions. Second operand 12 states. [2020-10-12 17:48:14,906 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:15,674 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:48:15,942 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:48:16,205 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:48:16,489 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:48:17,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:48:17,732 INFO L93 Difference]: Finished difference Result 814 states and 1194 transitions. [2020-10-12 17:48:17,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 17:48:17,732 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 122 [2020-10-12 17:48:17,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:48:17,747 INFO L225 Difference]: With dead ends: 814 [2020-10-12 17:48:17,747 INFO L226 Difference]: Without dead ends: 529 [2020-10-12 17:48:17,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:48:17,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-10-12 17:48:17,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 322. [2020-10-12 17:48:17,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2020-10-12 17:48:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 389 transitions. [2020-10-12 17:48:17,879 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 389 transitions. Word has length 122 [2020-10-12 17:48:17,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:48:17,879 INFO L479 AbstractCegarLoop]: Abstraction has 322 states and 389 transitions. [2020-10-12 17:48:17,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 17:48:17,880 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 389 transitions. [2020-10-12 17:48:17,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-12 17:48:17,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:48:17,884 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:48:17,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:48:17,885 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:48:17,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:48:17,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1129447591, now seen corresponding path program 1 times [2020-10-12 17:48:17,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:48:17,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1514052445] [2020-10-12 17:48:17,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:48:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:17,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:17,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:18,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:18,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:22,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:22,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 17:48:22,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:48:22,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-12 17:48:22,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:22,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:48:22,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-12 17:48:22,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 17:48:22,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:23,198 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:48:23,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:48:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:23,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:23,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:23,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:23,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 17:48:23,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:23,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:23,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:23,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:23,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:23,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:48:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:23,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:23,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:23,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:23,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:48:23,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:23,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:23,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:23,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:23,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:23,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:48:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:23,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:23,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:23,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:23,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:48:23,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:23,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:23,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:23,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:23,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:23,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:23,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:23,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:23,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:23,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:23,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:23,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:23,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:23,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:23,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:23,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:48:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:23,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:23,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:23,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:23,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:48:23,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:23,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:23,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:23,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 17:48:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:23,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:23,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:23,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:23,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:23,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:23,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:23,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:23,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:48:23,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:23,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 17:48:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:23,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:23,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 17:48:23,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:48:23,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-12 17:48:23,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:23,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:48:23,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-12 17:48:23,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 17:48:23,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:23,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:23,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:23,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:48:23,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:48:23,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-12 17:48:23,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:23,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:48:23,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:23,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 17:48:23,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:23,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:23,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:23,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:48:23,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:48:23,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:48:23,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:23,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:48:23,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:48:23,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:23,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:23,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:23,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:23,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:48:23,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:23,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:23,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:23,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:48:23,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:23,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:23,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:23,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:48:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:23,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:23,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:48:23,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:23,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:48:23,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:48:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 17:48:23,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:23,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:23,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:23,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:48:23,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:23,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:48:23,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:23,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:48:23,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:23,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:48:23,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:23,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:23,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:23,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:23,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:23,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:48:23,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:23,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:48:23,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:23,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:23,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:23,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:23,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:23,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:23,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:23,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:23,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:23,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:23,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:23,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:23,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:23,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:48:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:23,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:23,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:48:23,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:48:23,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:48:23,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:48:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:23,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 17:48:23,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:23,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:23,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:23,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:23,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:23,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:23,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:23,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:48:23,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:23,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:23,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:23,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 17:48:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:23,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:23,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:23,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:23,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:23,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:23,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:23,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:23,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:23,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:23,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:24,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 17:48:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:24,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:24,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:24,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:24,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:24,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:24,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:24,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:24,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 17:48:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:24,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:24,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:24,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:48:24,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:24,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:24,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:24,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:24,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 17:48:24,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:24,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:24,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:24,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:24,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:24,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:24,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:24,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:48:24,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:24,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:24,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:24,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:24,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:24,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:48:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:24,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:24,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:24,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:24,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:24,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:48:24,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:24,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:24,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:24,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:24,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:24,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:48:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:24,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:24,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:24,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:24,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:24,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:48:24,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:24,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:24,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:24,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:24,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:24,063 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 17:48:24,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1514052445] [2020-10-12 17:48:24,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:48:24,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 17:48:24,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822908698] [2020-10-12 17:48:24,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 17:48:24,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:48:24,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 17:48:24,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2020-10-12 17:48:24,066 INFO L87 Difference]: Start difference. First operand 322 states and 389 transitions. Second operand 21 states. [2020-10-12 17:48:24,573 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:25,495 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:25,956 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:48:26,251 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:48:26,517 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:48:26,769 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:27,085 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:27,343 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:27,850 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:28,157 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:28,432 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:28,686 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:28,951 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:29,212 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:29,442 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:29,674 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:29,957 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:30,237 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:30,590 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:48:31,693 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-10-12 17:48:32,146 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-10-12 17:48:34,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:48:34,031 INFO L93 Difference]: Finished difference Result 850 states and 1225 transitions. [2020-10-12 17:48:34,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-12 17:48:34,032 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 134 [2020-10-12 17:48:34,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:48:34,037 INFO L225 Difference]: With dead ends: 850 [2020-10-12 17:48:34,037 INFO L226 Difference]: Without dead ends: 552 [2020-10-12 17:48:34,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=508, Invalid=2462, Unknown=0, NotChecked=0, Total=2970 [2020-10-12 17:48:34,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-10-12 17:48:34,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 327. [2020-10-12 17:48:34,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-10-12 17:48:34,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 379 transitions. [2020-10-12 17:48:34,119 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 379 transitions. Word has length 134 [2020-10-12 17:48:34,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:48:34,120 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 379 transitions. [2020-10-12 17:48:34,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 17:48:34,120 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 379 transitions. [2020-10-12 17:48:34,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-12 17:48:34,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:48:34,123 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:48:34,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 17:48:34,123 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:48:34,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:48:34,124 INFO L82 PathProgramCache]: Analyzing trace with hash -17351636, now seen corresponding path program 1 times [2020-10-12 17:48:34,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:48:34,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [265547651] [2020-10-12 17:48:34,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:48:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:34,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:34,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:34,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-12 17:48:34,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:34,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 631 [2020-10-12 17:48:34,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:34,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 17:48:34,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:34,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 17:48:34,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:35,028 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:48:35,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:48:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:35,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 17:48:35,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:35,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:35,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:48:35,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:35,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:48:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:35,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:35,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:35,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:35,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:48:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:35,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:35,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:35,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:35,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:35,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:35,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:35,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:35,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:35,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:35,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:35,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:35,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:48:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:35,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:35,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:35,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:35,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:35,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:35,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 17:48:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 17:48:35,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 17:48:35,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:48:35,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:48:35,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 17:48:35,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:35,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:48:35,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:48:35,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:48:35,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:35,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 17:48:35,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:35,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:48:35,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:48:35,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:35,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:35,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:48:35,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:35,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:48:35,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:35,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:35,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:35,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 17:48:35,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:35,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:48:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:48:35,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:48:35,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:35,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:35,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 17:48:35,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:35,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:48:35,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:35,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:35,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:35,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:35,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:35,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:35,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:35,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:35,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:35,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:35,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:35,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:35,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:48:35,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:35,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:35,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:35,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:35,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:48:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:48:35,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:35,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:35,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:35,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:48:35,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:35,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:35,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:35,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:35,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:35,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:35,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:35,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 17:48:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:35,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:35,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:35,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:35,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 17:48:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:35,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:35,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:35,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:35,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:35,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:35,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:48:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:48:35,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:35,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:35,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 17:48:35,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:35,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:35,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:35,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:35,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:35,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:35,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:35,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:35,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 17:48:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:35,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:35,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:35,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:35,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:35,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:35,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 17:48:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:35,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:35,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:35,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:35,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:35,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:35,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:35,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:35,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:35,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:35,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:35,416 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-12 17:48:35,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [265547651] [2020-10-12 17:48:35,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:48:35,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 17:48:35,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922899224] [2020-10-12 17:48:35,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 17:48:35,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:48:35,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 17:48:35,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-12 17:48:35,420 INFO L87 Difference]: Start difference. First operand 327 states and 379 transitions. Second operand 11 states. [2020-10-12 17:48:35,784 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:36,535 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-10-12 17:48:38,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:48:38,628 INFO L93 Difference]: Finished difference Result 1077 states and 1404 transitions. [2020-10-12 17:48:38,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 17:48:38,629 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 130 [2020-10-12 17:48:38,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:48:38,635 INFO L225 Difference]: With dead ends: 1077 [2020-10-12 17:48:38,636 INFO L226 Difference]: Without dead ends: 774 [2020-10-12 17:48:38,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=188, Invalid=514, Unknown=0, NotChecked=0, Total=702 [2020-10-12 17:48:38,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-10-12 17:48:38,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 645. [2020-10-12 17:48:38,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-10-12 17:48:38,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 762 transitions. [2020-10-12 17:48:38,751 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 762 transitions. Word has length 130 [2020-10-12 17:48:38,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:48:38,751 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 762 transitions. [2020-10-12 17:48:38,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 17:48:38,752 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 762 transitions. [2020-10-12 17:48:38,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-12 17:48:38,755 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:48:38,755 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:48:38,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 17:48:38,755 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:48:38,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:48:38,756 INFO L82 PathProgramCache]: Analyzing trace with hash 451842310, now seen corresponding path program 1 times [2020-10-12 17:48:38,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:48:38,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1058856753] [2020-10-12 17:48:38,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:48:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 17:48:38,793 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 17:48:38,794 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 17:48:38,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 17:48:38,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 05:48:38 BoogieIcfgContainer [2020-10-12 17:48:38,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 17:48:38,828 INFO L168 Benchmark]: Toolchain (without parser) took 51951.00 ms. Allocated memory was 140.5 MB in the beginning and 841.5 MB in the end (delta: 701.0 MB). Free memory was 102.8 MB in the beginning and 330.8 MB in the end (delta: -228.0 MB). Peak memory consumption was 473.0 MB. Max. memory is 7.1 GB. [2020-10-12 17:48:38,828 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 17:48:38,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.13 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.6 MB in the beginning and 170.3 MB in the end (delta: -67.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2020-10-12 17:48:38,830 INFO L168 Benchmark]: Boogie Preprocessor took 130.39 ms. Allocated memory is still 203.4 MB. Free memory was 170.3 MB in the beginning and 166.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-12 17:48:38,831 INFO L168 Benchmark]: RCFGBuilder took 1377.14 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.2 MB in the beginning and 196.3 MB in the end (delta: -30.1 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2020-10-12 17:48:38,832 INFO L168 Benchmark]: TraceAbstraction took 49784.97 ms. Allocated memory was 237.0 MB in the beginning and 841.5 MB in the end (delta: 604.5 MB). Free memory was 194.9 MB in the beginning and 330.8 MB in the end (delta: -135.9 MB). Peak memory consumption was 468.6 MB. Max. memory is 7.1 GB. [2020-10-12 17:48:38,836 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.13 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.6 MB in the beginning and 170.3 MB in the end (delta: -67.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.39 ms. Allocated memory is still 203.4 MB. Free memory was 170.3 MB in the beginning and 166.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1377.14 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.2 MB in the beginning and 196.3 MB in the end (delta: -30.1 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 49784.97 ms. Allocated memory was 237.0 MB in the beginning and 841.5 MB in the end (delta: 604.5 MB). Free memory was 194.9 MB in the beginning and 330.8 MB in the end (delta: -135.9 MB). Peak memory consumption was 468.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 764]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L581] int pumpRunning = 0; [L582] int systemActive = 1; [L833] int cleanupTimeShifts = 4; [L906] int retValue_acc ; [L907] int tmp ; [L911] FCALL select_helpers() [L912] FCALL select_features() [L913] CALL, EXPR valid_product() [L824] int retValue_acc ; [L827] retValue_acc = 1 [L828] return (retValue_acc); [L913] RET, EXPR valid_product() [L913] tmp = valid_product() [L915] COND TRUE \read(tmp) [L917] FCALL setup() [L918] CALL runTest() [L900] CALL test() [L511] int splverifierCounter ; [L512] int tmp ; [L513] int tmp___0 ; [L514] int tmp___1 ; [L515] int tmp___2 ; [L518] splverifierCounter = 0 [L520] COND TRUE 1 [L522] COND TRUE splverifierCounter < 4 [L528] tmp = __VERIFIER_nondet_int() [L530] COND TRUE \read(tmp) [L532] CALL waterRise() [L431] COND TRUE waterLevel < 2 [L432] waterLevel = waterLevel + 1 [L532] RET waterRise() [L538] tmp___0 = __VERIFIER_nondet_int() [L540] COND FALSE !(\read(tmp___0)) [L548] tmp___2 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___2)) [L556] tmp___1 = __VERIFIER_nondet_int() [L558] COND TRUE \read(tmp___1) [L565] CALL timeShift() [L589] COND FALSE !(\read(pumpRunning)) [L596] COND TRUE \read(systemActive) [L598] CALL processEnvironment() [L618] int tmp ; [L621] COND TRUE ! pumpRunning [L623] CALL, EXPR isHighWaterLevel() [L733] int retValue_acc ; [L734] int tmp ; [L735] int tmp___0 ; [L739] CALL, EXPR isHighWaterSensorDry() [L493] int retValue_acc ; [L496] COND FALSE !(waterLevel < 2) [L500] retValue_acc = 0 [L501] return (retValue_acc); [L739] RET, EXPR isHighWaterSensorDry() [L739] tmp = isHighWaterSensorDry() [L741] COND FALSE !(\read(tmp)) [L744] tmp___0 = 1 [L746] retValue_acc = tmp___0 [L747] return (retValue_acc); [L623] RET, EXPR isHighWaterLevel() [L623] tmp = isHighWaterLevel() [L625] COND TRUE \read(tmp) [L627] CALL activatePump() [L652] int tmp ; [L656] CALL, EXPR isMethaneAlarm() [L677] int retValue_acc ; [L681] CALL, EXPR isMethaneLevelCritical() [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L681] RET, EXPR isMethaneLevelCritical() [L681] retValue_acc = isMethaneLevelCritical() [L683] return (retValue_acc); [L656] RET, EXPR isMethaneAlarm() [L656] tmp = isMethaneAlarm() [L658] COND FALSE !(\read(tmp)) [L662] CALL activatePump__wrappee__highWaterSensor() [L646] pumpRunning = 1 [L662] RET activatePump__wrappee__highWaterSensor() [L627] RET activatePump() [L598] RET processEnvironment() [L604] CALL __utac_acc__Specification1_spec__1() [L770] int tmp ; [L771] int tmp___0 ; [L775] CALL, EXPR isMethaneLevelCritical() [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L775] RET, EXPR isMethaneLevelCritical() [L775] tmp = isMethaneLevelCritical() [L777] COND FALSE !(\read(tmp)) [L604] RET __utac_acc__Specification1_spec__1() [L565] RET timeShift() [L520] COND TRUE 1 [L522] COND TRUE splverifierCounter < 4 [L528] tmp = __VERIFIER_nondet_int() [L530] COND FALSE !(\read(tmp)) [L538] tmp___0 = __VERIFIER_nondet_int() [L540] COND TRUE \read(tmp___0) [L542] CALL changeMethaneLevel() [L443] COND FALSE !(\read(methaneLevelCritical)) [L446] methaneLevelCritical = 1 [L542] RET changeMethaneLevel() [L548] tmp___2 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___2)) [L556] tmp___1 = __VERIFIER_nondet_int() [L558] COND TRUE \read(tmp___1) [L565] CALL timeShift() [L589] COND TRUE \read(pumpRunning) [L591] CALL lowerWaterLevel() [L419] COND TRUE waterLevel > 0 [L420] waterLevel = waterLevel - 1 [L591] RET lowerWaterLevel() [L596] COND TRUE \read(systemActive) [L598] CALL processEnvironment() [L618] int tmp ; [L621] COND FALSE !(! pumpRunning) [L636] FCALL processEnvironment__wrappee__base() [L598] RET processEnvironment() [L604] CALL __utac_acc__Specification1_spec__1() [L770] int tmp ; [L771] int tmp___0 ; [L775] CALL, EXPR isMethaneLevelCritical() [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L775] RET, EXPR isMethaneLevelCritical() [L775] tmp = isMethaneLevelCritical() [L777] COND TRUE \read(tmp) [L779] CALL, EXPR isPumpRunning() [L688] int retValue_acc ; [L691] retValue_acc = pumpRunning [L692] return (retValue_acc); [L779] RET, EXPR isPumpRunning() [L779] tmp___0 = isPumpRunning() [L781] COND TRUE \read(tmp___0) [L783] CALL __automaton_fail() [L764] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 226 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 49.7s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 26.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 689 SDtfs, 2594 SDslu, 1355 SDs, 0 SdLazy, 7046 SolverSat, 2013 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 331 GetRequests, 194 SyntacticMatches, 4 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 13.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=645occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 658 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 22.3s InterpolantComputationTime, 656 NumberOfCodeBlocks, 656 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 517 ConstructedInterpolants, 0 QuantifiedInterpolants, 208191 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 84/95 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...