/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:04:37,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:04:37,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:04:37,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:04:37,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:04:37,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:04:37,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:04:37,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:04:37,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:04:37,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:04:37,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:04:37,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:04:37,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:04:37,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:04:37,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:04:37,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:04:37,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:04:37,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:04:37,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:04:37,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:04:37,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:04:37,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:04:37,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:04:37,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:04:37,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:04:37,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:04:37,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:04:37,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:04:37,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:04:37,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:04:37,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:04:37,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:04:37,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:04:37,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:04:37,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:04:37,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:04:37,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:04:37,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:04:37,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:04:37,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:04:37,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:04:37,686 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 [2020-10-14 07:04:37,733 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:04:37,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:04:37,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:04:37,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:04:37,736 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:04:37,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:04:37,736 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:04:37,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:04:37,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:04:37,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:04:37,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:04:37,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:04:37,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:04:37,739 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:04:37,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:04:37,739 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:04:37,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:04:37,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:04:37,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:04:37,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:04:37,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:04:37,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:04:37,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:04:37,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:04:37,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:04:37,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:04:37,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:04:37,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:04:37,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:04:37,742 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 07:04:38,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:04:38,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:04:38,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:04:38,073 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:04:38,073 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:04:38,074 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-10-14 07:04:38,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf82ef830/502cfce9b78a41f4b0b9a30ed0b62cd6/FLAG377bebf62 [2020-10-14 07:04:38,586 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:04:38,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-10-14 07:04:38,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf82ef830/502cfce9b78a41f4b0b9a30ed0b62cd6/FLAG377bebf62 [2020-10-14 07:04:38,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf82ef830/502cfce9b78a41f4b0b9a30ed0b62cd6 [2020-10-14 07:04:38,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:04:38,930 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:04:38,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:04:38,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:04:38,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:04:38,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:04:38" (1/1) ... [2020-10-14 07:04:38,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f36cd5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:38, skipping insertion in model container [2020-10-14 07:04:38,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:04:38" (1/1) ... [2020-10-14 07:04:38,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:04:39,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:04:39,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:04:39,527 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:04:39,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:04:39,638 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:04:39,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:39 WrapperNode [2020-10-14 07:04:39,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:04:39,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:04:39,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:04:39,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:04:39,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:39" (1/1) ... [2020-10-14 07:04:39,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:39" (1/1) ... [2020-10-14 07:04:39,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:39" (1/1) ... [2020-10-14 07:04:39,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:39" (1/1) ... [2020-10-14 07:04:39,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:39" (1/1) ... [2020-10-14 07:04:39,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:39" (1/1) ... [2020-10-14 07:04:39,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:39" (1/1) ... [2020-10-14 07:04:39,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:04:39,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:04:39,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:04:39,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:04:39,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:39" (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 [2020-10-14 07:04:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:04:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:04:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 07:04:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 07:04:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-14 07:04:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-14 07:04:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-14 07:04:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-14 07:04:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-14 07:04:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-14 07:04:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-14 07:04:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-14 07:04:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-14 07:04:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 07:04:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-14 07:04:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-14 07:04:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-14 07:04:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-14 07:04:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-14 07:04:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-14 07:04:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-14 07:04:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-14 07:04:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-14 07:04:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 07:04:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 07:04:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 07:04:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 07:04:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 07:04:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 07:04:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 07:04:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 07:04:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 07:04:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 07:04:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 07:04:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:04:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 07:04:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 07:04:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 07:04:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 07:04:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:04:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:04:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 07:04:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-14 07:04:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-14 07:04:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-14 07:04:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-14 07:04:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 07:04:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-14 07:04:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-14 07:04:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-14 07:04:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-14 07:04:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-14 07:04:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-14 07:04:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-14 07:04:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-14 07:04:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-14 07:04:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-14 07:04:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 07:04:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-14 07:04:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-14 07:04:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 07:04:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 07:04:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 07:04:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-14 07:04:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-14 07:04:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 07:04:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 07:04:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 07:04:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 07:04:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 07:04:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 07:04:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 07:04:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 07:04:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 07:04:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 07:04:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 07:04:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 07:04:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 07:04:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 07:04:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 07:04:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 07:04:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 07:04:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 07:04:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 07:04:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 07:04:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 07:04:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 07:04:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:04:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 07:04:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:04:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 07:04:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:04:40,886 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:04:40,886 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 07:04:40,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:04:40 BoogieIcfgContainer [2020-10-14 07:04:40,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:04:40,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:04:40,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:04:40,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:04:40,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:04:38" (1/3) ... [2020-10-14 07:04:40,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef5aabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:04:40, skipping insertion in model container [2020-10-14 07:04:40,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:39" (2/3) ... [2020-10-14 07:04:40,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef5aabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:04:40, skipping insertion in model container [2020-10-14 07:04:40,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:04:40" (3/3) ... [2020-10-14 07:04:40,908 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2020-10-14 07:04:40,919 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:04:40,929 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:04:40,946 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:04:40,981 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:04:40,981 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:04:40,981 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:04:40,981 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:04:40,982 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:04:40,982 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:04:40,982 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:04:40,982 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:04:41,015 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-10-14 07:04:41,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-14 07:04:41,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:04:41,034 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:04:41,035 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:04:41,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:04:41,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1991715745, now seen corresponding path program 1 times [2020-10-14 07:04:41,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:04:41,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1449059497] [2020-10-14 07:04:41,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:04:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:41,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:41,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:41,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:42,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:42,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:44,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:46,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:46,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 07:04:46,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:04:46,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 07:04:46,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:46,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:46,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:46,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-14 07:04:46,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:46,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 07:04:46,859 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:04:46,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:04:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:46,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:46,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:46,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:46,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:46,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 07:04:46,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:46,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:46,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:46,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:04:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:46,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:46,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:46,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:04:46,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:46,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:46,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:46,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:46,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:46,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:46,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:46,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:46,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:04:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:46,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:46,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:46,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:04:46,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:46,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:46,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:46,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:46,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:46,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:46,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:46,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:46,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:04:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:46,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:46,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:46,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:46,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:46,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:46,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:46,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:46,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:46,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:46,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:46,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:46,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:04:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:46,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:46,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:46,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:04:46,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:46,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:46,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:46,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:46,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:46,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:46,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:04:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:46,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:46,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:46,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:46,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:46,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:46,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:46,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:46,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:46,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:04:46,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:04:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:46,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:46,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:46,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:46,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:46,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:46,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:46,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:46,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:46,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:04:46,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:46,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:46,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 07:04:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:46,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:46,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:46,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:46,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:46,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:46,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:46,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:46,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:04:46,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:46,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:46,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:04:46,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1449059497] [2020-10-14 07:04:46,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:04:46,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 07:04:46,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128969936] [2020-10-14 07:04:47,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 07:04:47,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:04:47,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 07:04:47,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:04:47,022 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 4 states. [2020-10-14 07:04:48,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:04:48,269 INFO L93 Difference]: Finished difference Result 286 states and 375 transitions. [2020-10-14 07:04:48,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 07:04:48,272 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-14 07:04:48,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:04:48,287 INFO L225 Difference]: With dead ends: 286 [2020-10-14 07:04:48,288 INFO L226 Difference]: Without dead ends: 159 [2020-10-14 07:04:48,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:04:48,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-10-14 07:04:48,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 128. [2020-10-14 07:04:48,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-14 07:04:48,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2020-10-14 07:04:48,386 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2020-10-14 07:04:48,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:04:48,387 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2020-10-14 07:04:48,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 07:04:48,387 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2020-10-14 07:04:48,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 07:04:48,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:04:48,391 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:04:48,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:04:48,392 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:04:48,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:04:48,392 INFO L82 PathProgramCache]: Analyzing trace with hash -392602955, now seen corresponding path program 1 times [2020-10-14 07:04:48,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:04:48,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [305995772] [2020-10-14 07:04:48,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:04:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:48,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:48,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:48,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:49,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:49,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:49,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:53,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:53,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 07:04:53,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:04:53,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 07:04:53,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:53,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:53,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:04:53,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:04:53,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 07:04:53,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:53,756 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:04:53,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:04:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:53,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:53,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:53,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:53,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:53,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 07:04:53,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:53,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:04:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:53,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:04:53,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:53,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:04:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:53,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:53,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:53,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:04:53,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:53,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:04:53,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:53,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:53,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:04:53,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:53,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:04:53,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:04:53,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:04:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:53,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:53,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:53,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:04:53,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:53,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:04:53,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:53,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:53,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:04:53,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:53,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:04:53,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:53,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:04:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:53,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:53,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:53,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:53,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:53,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:04:53,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:53,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:53,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:04:53,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:53,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:04:53,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:53,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:04:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:53,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:53,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:53,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:04:53,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:53,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:53,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:53,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:53,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:04:53,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:53,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:04:53,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:53,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:04:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:53,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:53,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:53,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:53,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:53,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:04:53,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:53,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:53,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:04:53,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:53,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:04:53,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:53,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:04:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:53,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:53,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:53,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:53,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:53,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:53,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:53,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:53,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:53,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:04:53,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:53,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:53,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 07:04:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:53,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:53,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:53,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:53,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:53,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:53,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:53,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:53,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:53,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:04:53,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:53,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:53,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:04:53,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [305995772] [2020-10-14 07:04:53,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:04:53,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:04:53,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127617399] [2020-10-14 07:04:53,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:04:53,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:04:53,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:04:53,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:04:53,962 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 5 states. [2020-10-14 07:04:54,294 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:04:55,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:04:55,299 INFO L93 Difference]: Finished difference Result 259 states and 329 transitions. [2020-10-14 07:04:55,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 07:04:55,300 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-14 07:04:55,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:04:55,303 INFO L225 Difference]: With dead ends: 259 [2020-10-14 07:04:55,304 INFO L226 Difference]: Without dead ends: 159 [2020-10-14 07:04:55,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:04:55,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-10-14 07:04:55,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 128. [2020-10-14 07:04:55,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-14 07:04:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 150 transitions. [2020-10-14 07:04:55,354 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 150 transitions. Word has length 52 [2020-10-14 07:04:55,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:04:55,355 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 150 transitions. [2020-10-14 07:04:55,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:04:55,355 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2020-10-14 07:04:55,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-14 07:04:55,358 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:04:55,359 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:04:55,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:04:55,359 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:04:55,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:04:55,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1230357120, now seen corresponding path program 1 times [2020-10-14 07:04:55,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:04:55,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370476239] [2020-10-14 07:04:55,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:04:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:55,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:55,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:55,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:57,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:57,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:57,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:58,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:58,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:00,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:00,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 07:05:00,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 07:05:00,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 07:05:00,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:00,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:05:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-14 07:05:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:05:00,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:00,671 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:05:00,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:05:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:00,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:00,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:00,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:00,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:00,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 07:05:00,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:00,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:00,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:00,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:05:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:00,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:00,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:00,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:00,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:00,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:00,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:00,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:00,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:00,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:05:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:00,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:00,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:00,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:00,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:00,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:00,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:00,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:00,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:00,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:05:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:00,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:00,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:00,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:00,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:00,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:00,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:00,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:00,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:00,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:00,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:00,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:00,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:05:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:00,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:00,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:00,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:00,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:00,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:00,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:00,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:00,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:00,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:05:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:00,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:00,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:00,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:00,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:00,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:00,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:00,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:00,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:00,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:00,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 07:05:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:00,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:00,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:00,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 07:05:00,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:00,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:05:00,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:00,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:00,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:05:00,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 07:05:00,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:05:00,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:00,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:00,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:00,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:00,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:05:00,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:00,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:05:00,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:00,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:05:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:05:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:05:00,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:00,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:00,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:00,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:00,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:00,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:00,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:00,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:00,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:05:00,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:00,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 07:05:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:00,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:00,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:00,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:00,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:00,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:00,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:00,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:05:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:00,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:00,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 07:05:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:00,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:00,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:00,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:00,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:00,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:00,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:00,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:00,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:00,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:05:00,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:00,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:00,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:05:00,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370476239] [2020-10-14 07:05:00,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:05:00,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 07:05:00,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188640908] [2020-10-14 07:05:00,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:05:00,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:05:00,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:05:00,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:05:00,844 INFO L87 Difference]: Start difference. First operand 128 states and 150 transitions. Second operand 7 states. [2020-10-14 07:05:01,234 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:05:02,424 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:05:03,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:05:03,551 INFO L93 Difference]: Finished difference Result 386 states and 513 transitions. [2020-10-14 07:05:03,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 07:05:03,552 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-10-14 07:05:03,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:05:03,557 INFO L225 Difference]: With dead ends: 386 [2020-10-14 07:05:03,557 INFO L226 Difference]: Without dead ends: 286 [2020-10-14 07:05:03,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-14 07:05:03,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-14 07:05:03,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 222. [2020-10-14 07:05:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-10-14 07:05:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 268 transitions. [2020-10-14 07:05:03,622 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 268 transitions. Word has length 69 [2020-10-14 07:05:03,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:05:03,623 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 268 transitions. [2020-10-14 07:05:03,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:05:03,623 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 268 transitions. [2020-10-14 07:05:03,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-14 07:05:03,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:05:03,626 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:05:03,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:05:03,626 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:05:03,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:05:03,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1908435539, now seen corresponding path program 1 times [2020-10-14 07:05:03,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:05:03,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819794341] [2020-10-14 07:05:03,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:05:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:03,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:03,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:04,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:04,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:04,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:05,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:06,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:08,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:08,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-14 07:05:08,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 07:05:08,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 07:05:08,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:08,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:08,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:08,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 07:05:08,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:05:08,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:08,900 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:05:08,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:05:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:08,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:08,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:08,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:08,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:08,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 07:05:08,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:08,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:08,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:08,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:08,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:08,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:08,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:05:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:08,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:08,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:08,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:08,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:08,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:08,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:08,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:08,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:08,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:05:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:08,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:08,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:08,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:08,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:08,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:08,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:08,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:08,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:08,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:08,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:08,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:08,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:05:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:08,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:08,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:08,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:08,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:08,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:08,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:08,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:08,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:08,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:08,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:08,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:08,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:05:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:08,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:08,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:08,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:08,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:08,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:08,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:08,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:08,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:08,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:08,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:08,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:08,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:05:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:08,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:08,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:08,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:08,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:08,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:08,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:08,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:08,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:08,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:08,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:08,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:08,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:05:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:08,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:08,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:08,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 07:05:08,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:08,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:05:08,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:08,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:08,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:08,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-14 07:05:08,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:08,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:08,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:08,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:08,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:08,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 07:05:08,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:08,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:05:08,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:08,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:08,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:08,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:08,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:08,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:08,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:09,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:09,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:09,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:05:09,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:09,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:09,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:09,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:09,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:09,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:09,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:09,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:09,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:05:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:09,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:09,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:09,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:05:09,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:09,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:09,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:09,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:09,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:09,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:09,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:09,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:09,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:05:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:09,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:09,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:09,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:09,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:09,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:09,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:09,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:09,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:09,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:05:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:09,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:09,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:09,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:09,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:09,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:09,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:09,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:09,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:09,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:05:09,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:09,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:09,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 07:05:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:09,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:09,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:09,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:09,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:09,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:09,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:09,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:09,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:09,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:05:09,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:09,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:09,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:05:09,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819794341] [2020-10-14 07:05:09,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:05:09,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 07:05:09,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748024865] [2020-10-14 07:05:09,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 07:05:09,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:05:09,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 07:05:09,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:05:09,037 INFO L87 Difference]: Start difference. First operand 222 states and 268 transitions. Second operand 6 states. [2020-10-14 07:05:09,473 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:05:10,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:05:10,432 INFO L93 Difference]: Finished difference Result 395 states and 482 transitions. [2020-10-14 07:05:10,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 07:05:10,433 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2020-10-14 07:05:10,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:05:10,436 INFO L225 Difference]: With dead ends: 395 [2020-10-14 07:05:10,436 INFO L226 Difference]: Without dead ends: 237 [2020-10-14 07:05:10,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-14 07:05:10,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-14 07:05:10,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 197. [2020-10-14 07:05:10,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-14 07:05:10,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 227 transitions. [2020-10-14 07:05:10,480 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 227 transitions. Word has length 79 [2020-10-14 07:05:10,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:05:10,480 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 227 transitions. [2020-10-14 07:05:10,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 07:05:10,481 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 227 transitions. [2020-10-14 07:05:10,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-14 07:05:10,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:05:10,482 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:05:10,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 07:05:10,483 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:05:10,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:05:10,483 INFO L82 PathProgramCache]: Analyzing trace with hash 810215565, now seen corresponding path program 1 times [2020-10-14 07:05:10,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:05:10,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1059238686] [2020-10-14 07:05:10,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:05:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:10,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:10,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:10,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:11,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:11,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:13,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:15,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:15,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 07:05:15,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:05:15,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:05:15,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:15,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:15,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:05:15,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-14 07:05:15,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:05:15,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:15,833 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:05:15,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:05:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:15,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:15,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:15,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:15,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:15,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 07:05:15,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:15,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:15,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:15,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:15,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:15,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:15,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:05:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:15,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:15,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:15,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:15,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:15,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:15,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:15,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:15,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:15,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:15,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:15,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:15,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:05:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:15,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:15,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:15,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:15,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:15,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:15,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:15,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:15,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:15,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:15,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:15,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:15,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:05:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:15,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:15,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:15,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:15,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:15,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:15,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:15,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:15,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:15,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:15,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:05:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:15,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:15,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:15,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:15,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:15,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:15,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:15,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:15,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:15,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:15,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:15,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:15,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:05:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:15,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:15,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:15,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:15,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:15,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:15,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:15,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:15,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:15,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:15,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:15,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:15,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 07:05:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:15,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:15,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:15,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:15,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 07:05:15,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:05:15,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 07:05:15,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:15,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:15,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:15,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:15,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:05:15,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:15,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:15,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:15,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:15,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 07:05:15,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:15,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:05:15,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:15,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:15,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:15,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:15,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:05:15,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:15,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:15,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:15,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:15,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:05:15,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:15,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:05:15,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:15,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:15,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:15,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:15,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 07:05:15,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:15,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:05:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:15,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:15,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:15,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:05:15,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:15,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:16,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:16,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:16,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:16,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:16,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:16,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:16,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:05:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:16,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:16,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:16,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:16,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:16,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:16,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:16,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:16,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:16,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:16,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:05:16,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:16,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 07:05:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:16,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:16,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:16,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:16,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:16,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:05:16,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:16,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:16,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:16,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:16,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:05:16,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:16,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 07:05:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:16,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:16,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:16,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:16,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:16,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:05:16,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:16,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:16,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:05:16,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:16,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:05:16,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:16,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:05:16,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1059238686] [2020-10-14 07:05:16,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:05:16,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 07:05:16,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073360008] [2020-10-14 07:05:16,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 07:05:16,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:05:16,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 07:05:16,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:05:16,058 INFO L87 Difference]: Start difference. First operand 197 states and 227 transitions. Second operand 9 states. [2020-10-14 07:05:16,424 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:05:17,528 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 07:05:17,781 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:05:18,044 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 07:05:18,319 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-14 07:05:19,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:05:19,183 INFO L93 Difference]: Finished difference Result 411 states and 507 transitions. [2020-10-14 07:05:19,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 07:05:19,184 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-10-14 07:05:19,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:05:19,187 INFO L225 Difference]: With dead ends: 411 [2020-10-14 07:05:19,187 INFO L226 Difference]: Without dead ends: 242 [2020-10-14 07:05:19,188 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-14 07:05:19,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-10-14 07:05:19,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 196. [2020-10-14 07:05:19,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-10-14 07:05:19,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 224 transitions. [2020-10-14 07:05:19,232 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 224 transitions. Word has length 83 [2020-10-14 07:05:19,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:05:19,233 INFO L479 AbstractCegarLoop]: Abstraction has 196 states and 224 transitions. [2020-10-14 07:05:19,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 07:05:19,233 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 224 transitions. [2020-10-14 07:05:19,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-14 07:05:19,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:05:19,235 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:05:19,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 07:05:19,236 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:05:19,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:05:19,236 INFO L82 PathProgramCache]: Analyzing trace with hash 912009969, now seen corresponding path program 1 times [2020-10-14 07:05:19,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:05:19,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [315979471] [2020-10-14 07:05:19,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:05:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:19,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:19,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:20,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:24,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:24,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 07:05:24,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:05:24,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 07:05:24,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:24,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:24,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:05:24,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 07:05:24,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:05:24,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:24,540 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:05:24,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:05:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:24,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:24,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:24,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:24,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:24,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 07:05:24,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:24,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:24,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:24,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:24,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:05:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:24,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:24,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:24,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:24,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:24,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:24,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:24,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:24,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:24,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:24,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:24,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:24,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:05:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:24,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:24,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:24,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:24,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:24,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:24,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:24,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:24,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:24,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:24,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:24,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:24,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:05:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:24,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:24,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:24,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:24,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:24,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:05:24,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:24,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:24,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:24,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:24,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:24,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:24,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:05:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:24,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:24,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:24,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:24,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:24,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:24,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:24,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:24,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:24,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:24,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:05:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:24,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:24,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:24,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:24,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:24,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:24,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:24,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:24,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:24,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:24,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:24,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 07:05:24,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 07:05:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:24,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:24,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:24,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:05:24,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:24,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 07:05:24,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:24,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:05:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 07:05:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:05:24,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:24,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:24,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:24,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:24,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:05:24,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:24,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:05:24,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:24,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:24,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:05:24,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 07:05:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:05:24,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:24,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:24,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:24,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:24,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:05:24,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:24,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:05:24,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:24,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:24,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:05:24,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:24,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:05:24,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:24,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:05:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:24,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:24,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:24,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:05:24,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:24,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:24,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:24,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:24,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:24,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:24,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:24,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:24,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:05:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:24,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:24,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:24,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:24,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:24,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:24,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:24,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:24,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:24,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:05:24,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:24,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:24,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 07:05:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:24,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:24,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:24,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:24,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:24,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:24,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:24,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:24,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:24,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:05:24,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:24,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:24,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 07:05:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:24,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:24,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:24,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:24,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:24,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:24,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:24,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:24,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:24,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:05:24,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:24,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:05:24,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [315979471] [2020-10-14 07:05:24,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:05:24,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 07:05:24,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189739129] [2020-10-14 07:05:24,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 07:05:24,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:05:24,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 07:05:24,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:05:24,830 INFO L87 Difference]: Start difference. First operand 196 states and 224 transitions. Second operand 9 states. [2020-10-14 07:05:25,687 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:05:25,927 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 07:05:26,175 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:05:26,422 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:05:27,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:05:27,206 INFO L93 Difference]: Finished difference Result 409 states and 500 transitions. [2020-10-14 07:05:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 07:05:27,207 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-14 07:05:27,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:05:27,210 INFO L225 Difference]: With dead ends: 409 [2020-10-14 07:05:27,210 INFO L226 Difference]: Without dead ends: 241 [2020-10-14 07:05:27,211 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:05:27,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-10-14 07:05:27,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 201. [2020-10-14 07:05:27,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-10-14 07:05:27,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 229 transitions. [2020-10-14 07:05:27,256 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 229 transitions. Word has length 84 [2020-10-14 07:05:27,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:05:27,256 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 229 transitions. [2020-10-14 07:05:27,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 07:05:27,256 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 229 transitions. [2020-10-14 07:05:27,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-14 07:05:27,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:05:27,257 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:05:27,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 07:05:27,258 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:05:27,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:05:27,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1613609843, now seen corresponding path program 1 times [2020-10-14 07:05:27,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:05:27,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [737304267] [2020-10-14 07:05:27,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:05:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:27,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:27,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:28,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:31,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:31,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 07:05:31,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:05:31,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4379 [2020-10-14 07:05:31,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:31,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:31,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:05:31,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 07:05:31,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:05:31,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:31,920 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:05:31,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:05:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:31,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:31,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:31,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:31,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:31,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 07:05:31,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:31,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:31,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:31,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:31,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:31,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:31,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:05:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:31,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:31,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:31,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:31,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:31,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:31,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:31,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:31,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:31,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:31,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:31,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:31,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:05:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:31,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:31,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:31,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:31,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:31,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:31,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:31,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:31,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:31,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:05:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:31,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:31,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:31,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:31,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:31,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:31,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:31,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:31,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:31,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:31,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:31,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:31,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:05:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:31,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:31,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:31,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:31,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:31,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:31,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:31,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:31,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:31,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:31,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:31,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:31,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:05:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:31,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:31,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:31,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:31,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:31,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:31,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:31,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:31,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:31,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:31,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:31,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:31,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 07:05:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:31,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:32,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:32,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:05:32,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:32,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:05:32,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:32,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:32,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:05:32,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 07:05:32,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:05:32,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:32,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:32,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:32,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:32,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:05:32,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:32,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:05:32,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:32,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:32,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:05:32,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 07:05:32,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:05:32,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:32,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:32,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:32,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:32,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:05:32,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:32,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:05:32,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:32,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:32,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:05:32,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 07:05:32,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:05:32,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:32,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:05:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:32,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:32,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:32,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:05:32,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:32,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:05:32,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:32,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:32,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:05:32,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:32,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:05:32,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:32,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:05:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:32,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:32,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:32,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:32,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:32,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:32,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:32,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:32,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:32,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:05:32,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:32,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:32,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 07:05:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:32,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:32,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:32,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:32,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:32,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:32,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:32,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:32,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:32,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:05:32,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:32,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:32,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 07:05:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:32,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:32,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:32,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:32,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:32,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:32,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:32,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:05:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:32,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:32,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:05:32,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [737304267] [2020-10-14 07:05:32,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:05:32,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:05:32,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557470788] [2020-10-14 07:05:32,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:05:32,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:05:32,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:05:32,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:05:32,109 INFO L87 Difference]: Start difference. First operand 201 states and 229 transitions. Second operand 8 states. [2020-10-14 07:05:32,893 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:05:33,138 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:05:33,403 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:05:34,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:05:34,152 INFO L93 Difference]: Finished difference Result 418 states and 517 transitions. [2020-10-14 07:05:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 07:05:34,153 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-10-14 07:05:34,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:05:34,155 INFO L225 Difference]: With dead ends: 418 [2020-10-14 07:05:34,155 INFO L226 Difference]: Without dead ends: 245 [2020-10-14 07:05:34,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:05:34,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2020-10-14 07:05:34,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 205. [2020-10-14 07:05:34,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-14 07:05:34,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 233 transitions. [2020-10-14 07:05:34,201 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 233 transitions. Word has length 84 [2020-10-14 07:05:34,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:05:34,201 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 233 transitions. [2020-10-14 07:05:34,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:05:34,201 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 233 transitions. [2020-10-14 07:05:34,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-14 07:05:34,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:05:34,203 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:05:34,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 07:05:34,203 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:05:34,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:05:34,203 INFO L82 PathProgramCache]: Analyzing trace with hash -955876556, now seen corresponding path program 1 times [2020-10-14 07:05:34,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:05:34,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264370915] [2020-10-14 07:05:34,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:05:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:34,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:34,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:34,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:36,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:36,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 07:05:36,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:05:36,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2293 [2020-10-14 07:05:36,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:36,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:36,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:05:36,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:05:36,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 07:05:36,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:36,784 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:05:36,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:05:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:36,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:36,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:36,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:36,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:36,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 07:05:36,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:36,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:36,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:36,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:36,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:05:36,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:36,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:05:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:36,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:36,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:36,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:36,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:36,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:36,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:36,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:05:36,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:36,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:05:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:36,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:36,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:36,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:36,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:36,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:36,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:36,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:36,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:36,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:36,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:05:36,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:36,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:05:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:36,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:36,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:36,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:36,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:36,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:36,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:36,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:36,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:36,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:36,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:05:36,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:36,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:05:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:36,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:36,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:36,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:36,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:36,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:36,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:36,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:36,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:36,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:36,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:05:36,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:36,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:05:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:36,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:36,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:36,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:36,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:36,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:36,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:36,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:36,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:36,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:36,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:05:36,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:36,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 07:05:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:36,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:36,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:36,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:05:36,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:36,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:05:36,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:36,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:36,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:36,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:36,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:05:36,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:36,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:36,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:36,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:36,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:05:36,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:36,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:36,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:36,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:36,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:36,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:36,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:36,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:36,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:36,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:36,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:36,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:05:36,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:36,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:36,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:36,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:36,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:36,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:36,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:36,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:36,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:05:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:36,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:36,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:36,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:05:36,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:36,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:36,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:36,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:36,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:36,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:36,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:36,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:36,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:05:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:36,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:36,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:36,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:36,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:36,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:36,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:36,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:36,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:36,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:36,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:36,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:36,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 07:05:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:36,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:36,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:36,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:36,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:36,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:36,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:36,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:36,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:05:36,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:36,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:05:36,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:36,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 07:05:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:36,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:36,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:36,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:36,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:36,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:36,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:36,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:36,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:36,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:05:36,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:36,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:05:36,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [264370915] [2020-10-14 07:05:36,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:05:36,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 07:05:36,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952863331] [2020-10-14 07:05:36,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 07:05:36,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:05:36,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 07:05:36,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:05:36,937 INFO L87 Difference]: Start difference. First operand 205 states and 233 transitions. Second operand 9 states. [2020-10-14 07:05:37,283 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:05:38,360 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:05:38,621 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:05:38,849 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:05:39,065 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:05:40,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:05:40,147 INFO L93 Difference]: Finished difference Result 607 states and 758 transitions. [2020-10-14 07:05:40,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 07:05:40,148 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-14 07:05:40,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:05:40,154 INFO L225 Difference]: With dead ends: 607 [2020-10-14 07:05:40,154 INFO L226 Difference]: Without dead ends: 430 [2020-10-14 07:05:40,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-14 07:05:40,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-10-14 07:05:40,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 359. [2020-10-14 07:05:40,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2020-10-14 07:05:40,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 409 transitions. [2020-10-14 07:05:40,231 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 409 transitions. Word has length 84 [2020-10-14 07:05:40,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:05:40,231 INFO L479 AbstractCegarLoop]: Abstraction has 359 states and 409 transitions. [2020-10-14 07:05:40,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 07:05:40,231 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 409 transitions. [2020-10-14 07:05:40,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-14 07:05:40,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:05:40,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:05:40,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 07:05:40,233 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:05:40,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:05:40,234 INFO L82 PathProgramCache]: Analyzing trace with hash -821736752, now seen corresponding path program 1 times [2020-10-14 07:05:40,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:05:40,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2019824974] [2020-10-14 07:05:40,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:05:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:40,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:40,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:40,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:40,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 07:05:40,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:05:40,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 599 [2020-10-14 07:05:40,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:40,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:40,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:05:40,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 07:05:40,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:05:40,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:41,070 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:05:41,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:05:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:41,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:41,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:41,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:41,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:41,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:05:41,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:41,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:41,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:41,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:41,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:41,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:41,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:05:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:41,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:41,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:41,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:41,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:41,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:41,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:41,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:41,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:41,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:41,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:41,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:41,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:05:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:41,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:41,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:41,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:41,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:41,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:41,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:41,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:41,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:41,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:05:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:41,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:41,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:41,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:41,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:41,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:41,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:41,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:41,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:41,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:05:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:41,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:41,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:41,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:41,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:41,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:41,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:41,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:41,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:41,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:41,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:41,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:05:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:41,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:41,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:41,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:41,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:41,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:41,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:41,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:41,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:41,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:41,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:05:41,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:41,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 07:05:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:41,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:41,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:41,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:41,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:41,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:41,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:41,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:41,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:05:41,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:41,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 07:05:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:41,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:41,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:41,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:05:41,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:41,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:05:41,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:41,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:41,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:41,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:41,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:05:41,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:41,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:41,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:41,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:41,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:05:41,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:41,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:05:41,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:41,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:41,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:41,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:41,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:41,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:41,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:41,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:41,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:41,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:05:41,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:41,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:41,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:41,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:41,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:41,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:41,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:41,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:41,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:05:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:41,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:41,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:41,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:05:41,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:41,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:41,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:41,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:41,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:41,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:41,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:41,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:41,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:05:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:41,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:41,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:41,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:41,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:41,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:41,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:41,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:41,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:41,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:41,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:41,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:41,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 07:05:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:41,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:41,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:41,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:41,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:41,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:41,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:41,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:41,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:41,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:41,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:05:41,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:41,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 07:05:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:41,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:41,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:41,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:41,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:41,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:41,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:41,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:41,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:41,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:41,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:05:41,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:41,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:05:41,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2019824974] [2020-10-14 07:05:41,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:05:41,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 07:05:41,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38685877] [2020-10-14 07:05:41,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:05:41,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:05:41,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:05:41,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:05:41,191 INFO L87 Difference]: Start difference. First operand 359 states and 409 transitions. Second operand 7 states. [2020-10-14 07:05:41,502 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:05:43,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:05:43,562 INFO L93 Difference]: Finished difference Result 802 states and 1007 transitions. [2020-10-14 07:05:43,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 07:05:43,563 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-10-14 07:05:43,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:05:43,570 INFO L225 Difference]: With dead ends: 802 [2020-10-14 07:05:43,570 INFO L226 Difference]: Without dead ends: 799 [2020-10-14 07:05:43,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2020-10-14 07:05:43,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2020-10-14 07:05:43,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 635. [2020-10-14 07:05:43,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-10-14 07:05:43,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 717 transitions. [2020-10-14 07:05:43,701 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 717 transitions. Word has length 88 [2020-10-14 07:05:43,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:05:43,702 INFO L479 AbstractCegarLoop]: Abstraction has 635 states and 717 transitions. [2020-10-14 07:05:43,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:05:43,702 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 717 transitions. [2020-10-14 07:05:43,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-14 07:05:43,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:05:43,706 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, 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] [2020-10-14 07:05:43,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 07:05:43,707 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:05:43,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:05:43,707 INFO L82 PathProgramCache]: Analyzing trace with hash -211454262, now seen corresponding path program 1 times [2020-10-14 07:05:43,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:05:43,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1515307172] [2020-10-14 07:05:43,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:05:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:43,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:43,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:43,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:46,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:48,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:48,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-14 07:05:48,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:05:48,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 07:05:48,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:48,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:05:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-14 07:05:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 07:05:48,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:49,028 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:05:49,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:05:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:49,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 07:05:49,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:49,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:49,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:05:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:49,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:49,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:49,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:49,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:49,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:05:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:49,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:49,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:49,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:49,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:05:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:49,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:49,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:49,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:49,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:05:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:49,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:49,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:49,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:49,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:49,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:05:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:49,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:49,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:49,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:49,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 07:05:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:49,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:49,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:49,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:05:49,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:49,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 07:05:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 07:05:49,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 07:05:49,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 07:05:49,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:49,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:05:49,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:05:49,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:49,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:49,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:49,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:05:49,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:05:49,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:49,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:49,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:49,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:05:49,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:49,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:49,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:49,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:49,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:05:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:05:49,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:49,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:49,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:49,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:49,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:05:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:49,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:49,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:49,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:49,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 07:05:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:05:49,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:05:49,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:49,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:49,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:49,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:05:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:49,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:49,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:49,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:49,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:49,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 07:05:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:49,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:49,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:49,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:49,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:49,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 07:05:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:49,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:05:49,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:49,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:05:49,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:49,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 07:05:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 07:05:49,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 07:05:49,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:05:49,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 07:05:49,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 07:05:49,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:49,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 07:05:49,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:05:49,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:05:49,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:05:49,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:49,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:05:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:49,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:49,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:05:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:05:49,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:05:49,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 07:05:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:05:49,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:05:49,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:05:49,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:05:49,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:05:49,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:05:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:05:49,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:49,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:49,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:05:49,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:49,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:49,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 07:05:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:49,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:49,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:05:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:49,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:49,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 07:05:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:49,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:49,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:05:49,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:05:49,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:05:49,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:05:49,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:05:49,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:05:49,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:05:49,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:05:49,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:05:49,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:05:49,430 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-14 07:05:49,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1515307172] [2020-10-14 07:05:49,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:05:49,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-14 07:05:49,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507786515] [2020-10-14 07:05:49,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 07:05:49,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:05:49,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 07:05:49,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-14 07:05:49,432 INFO L87 Difference]: Start difference. First operand 635 states and 717 transitions. Second operand 15 states. [2020-10-14 07:05:49,820 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:05:50,529 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:05:51,492 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 07:05:51,805 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:05:53,016 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 07:05:53,277 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 07:05:53,557 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:05:53,815 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:05:54,332 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-10-14 07:05:54,820 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-10-14 07:05:55,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:05:55,923 INFO L93 Difference]: Finished difference Result 1449 states and 1825 transitions. [2020-10-14 07:05:55,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-14 07:05:55,924 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 146 [2020-10-14 07:05:55,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:05:55,930 INFO L225 Difference]: With dead ends: 1449 [2020-10-14 07:05:55,931 INFO L226 Difference]: Without dead ends: 842 [2020-10-14 07:05:55,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 623 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=457, Invalid=1799, Unknown=0, NotChecked=0, Total=2256 [2020-10-14 07:05:55,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2020-10-14 07:05:56,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 579. [2020-10-14 07:05:56,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2020-10-14 07:05:56,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 645 transitions. [2020-10-14 07:05:56,066 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 645 transitions. Word has length 146 [2020-10-14 07:05:56,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:05:56,066 INFO L479 AbstractCegarLoop]: Abstraction has 579 states and 645 transitions. [2020-10-14 07:05:56,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 07:05:56,066 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 645 transitions. [2020-10-14 07:05:56,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-14 07:05:56,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:05:56,070 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:05:56,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 07:05:56,070 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:05:56,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:05:56,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1575124711, now seen corresponding path program 1 times [2020-10-14 07:05:56,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:05:56,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [31437454] [2020-10-14 07:05:56,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:05:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:05:56,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:56,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:56,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:56,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:56,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:56,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:56,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:05:57,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-14 07:06:01,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 07:06:01,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-14 07:06:01,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:06:01,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-14 07:06:01,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:06:01,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,465 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:06:01,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:06:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:06:01,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 07:06:01,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:06:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:06:01,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:06:01,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:06:01,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:06:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:06:01,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:06:01,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:06:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:06:01,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:06:01,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:06:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:06:01,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:06:01,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:06:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:06:01,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:06:01,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 07:06:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:06:01,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:06:01,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 07:06:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 07:06:01,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:06:01,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 07:06:01,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:06:01,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:06:01,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:06:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:06:01,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:06:01,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:06:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 07:06:01,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:06:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:06:01,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:06:01,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:06:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:06:01,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:06:01,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:06:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:06:01,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:06:01,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:06:01,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:06:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:06:01,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:06:01,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:06:01,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:06:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:06:01,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:06:01,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:06:01,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:06:01,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:06:01,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 07:06:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:06:01,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:06:01,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:06:01,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 07:06:01,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:06:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:06:01,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:06:01,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 07:06:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:06:01,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:06:01,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 07:06:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:06:01,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:06:01,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 07:06:01,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:06:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:06:01,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:06:01,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:06:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:06:01,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:06:01,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:06:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:06:01,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:06:01,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:06:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:06:01,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:06:01,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:06:01,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 07:06:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:06:01,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:06:01,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:06:01,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 07:06:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:06:01,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:06:01,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:06:01,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:06:01,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:06:01,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:06:01,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:06:01,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:06:01,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:06:01,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:06:01,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:06:01,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:06:01,728 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-14 07:06:01,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [31437454] [2020-10-14 07:06:01,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:06:01,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 07:06:01,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777079675] [2020-10-14 07:06:01,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 07:06:01,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:06:01,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 07:06:01,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:06:01,730 INFO L87 Difference]: Start difference. First operand 579 states and 645 transitions. Second operand 9 states. [2020-10-14 07:06:02,623 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:06:03,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:06:03,488 INFO L93 Difference]: Finished difference Result 1123 states and 1331 transitions. [2020-10-14 07:06:03,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 07:06:03,489 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 146 [2020-10-14 07:06:03,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:06:03,490 INFO L225 Difference]: With dead ends: 1123 [2020-10-14 07:06:03,490 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 07:06:03,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-10-14 07:06:03,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 07:06:03,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 07:06:03,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 07:06:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 07:06:03,495 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 146 [2020-10-14 07:06:03,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:06:03,495 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 07:06:03,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 07:06:03,496 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 07:06:03,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 07:06:03,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 07:06:03,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 07:06:04,657 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 217 [2020-10-14 07:06:05,323 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 182 [2020-10-14 07:06:05,848 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 182 [2020-10-14 07:06:06,803 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 263 [2020-10-14 07:06:07,812 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 264 [2020-10-14 07:06:08,745 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 30 [2020-10-14 07:06:08,921 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 29 [2020-10-14 07:06:09,230 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 177 [2020-10-14 07:06:09,502 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 177 [2020-10-14 07:06:10,051 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 263 [2020-10-14 07:06:10,691 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 271 [2020-10-14 07:06:12,397 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-10-14 07:06:12,559 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-10-14 07:06:12,730 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-10-14 07:06:12,942 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-10-14 07:06:13,488 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2020-10-14 07:06:14,189 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 37 [2020-10-14 07:06:15,278 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 212 DAG size of output: 34 [2020-10-14 07:06:15,434 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-10-14 07:06:16,003 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2020-10-14 07:06:16,214 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:06:16,418 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-10-14 07:06:17,677 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 213 DAG size of output: 33 [2020-10-14 07:06:17,867 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-10-14 07:06:18,771 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 31 [2020-10-14 07:06:18,928 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-10-14 07:06:19,505 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-10-14 07:06:20,391 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 26 [2020-10-14 07:06:20,934 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 21 [2020-10-14 07:06:21,859 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 26 [2020-10-14 07:06:22,019 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-10-14 07:06:22,552 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 31 [2020-10-14 07:06:23,229 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-10-14 07:06:23,824 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 32 [2020-10-14 07:06:24,862 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 212 DAG size of output: 34 [2020-10-14 07:06:25,355 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-14 07:06:26,949 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 220 DAG size of output: 32 [2020-10-14 07:06:27,129 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-10-14 07:06:27,318 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-10-14 07:06:27,507 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-10-14 07:06:27,899 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2020-10-14 07:06:28,082 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2020-10-14 07:06:28,244 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-10-14 07:06:28,434 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-10-14 07:06:28,984 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-10-14 07:06:29,147 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-10-14 07:06:29,684 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-10-14 07:06:29,880 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-10-14 07:06:30,761 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2020-10-14 07:06:31,344 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 27 [2020-10-14 07:06:32,024 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 28 [2020-10-14 07:06:32,505 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-10-14 07:06:32,683 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-10-14 07:06:32,862 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-10-14 07:06:33,281 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2020-10-14 07:06:34,129 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2020-10-14 07:06:34,135 INFO L268 CegarLoopResult]: For program point L539(lines 516 540) no Hoare annotation was computed. [2020-10-14 07:06:34,135 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 492 547) no Hoare annotation was computed. [2020-10-14 07:06:34,135 INFO L268 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-10-14 07:06:34,135 INFO L268 CegarLoopResult]: For program point L523-1(lines 523 527) no Hoare annotation was computed. [2020-10-14 07:06:34,135 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 492 547) no Hoare annotation was computed. [2020-10-14 07:06:34,135 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-10-14 07:06:34,135 INFO L268 CegarLoopResult]: For program point L517-2(lines 517 538) no Hoare annotation was computed. [2020-10-14 07:06:34,135 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 492 547) no Hoare annotation was computed. [2020-10-14 07:06:34,135 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-10-14 07:06:34,136 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 599) no Hoare annotation was computed. [2020-10-14 07:06:34,136 INFO L268 CegarLoopResult]: For program point L600(lines 573 601) no Hoare annotation was computed. [2020-10-14 07:06:34,136 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 548 607) no Hoare annotation was computed. [2020-10-14 07:06:34,136 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-10-14 07:06:34,136 INFO L268 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-14 07:06:34,136 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 548 607) no Hoare annotation was computed. [2020-10-14 07:06:34,136 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 548 607) no Hoare annotation was computed. [2020-10-14 07:06:34,136 INFO L268 CegarLoopResult]: For program point L580(lines 580 584) no Hoare annotation was computed. [2020-10-14 07:06:34,137 INFO L268 CegarLoopResult]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2020-10-14 07:06:34,137 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 924 930) the Hoare annotation is: true [2020-10-14 07:06:34,137 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 924 930) no Hoare annotation was computed. [2020-10-14 07:06:34,137 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 931 939) no Hoare annotation was computed. [2020-10-14 07:06:34,137 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 931 939) the Hoare annotation is: true [2020-10-14 07:06:34,137 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 931 939) no Hoare annotation was computed. [2020-10-14 07:06:34,138 INFO L264 CegarLoopResult]: At program point L894(line 894) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-10-14 07:06:34,138 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 882 904) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-10-14 07:06:34,138 INFO L264 CegarLoopResult]: At program point L894-1(line 894) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-10-14 07:06:34,138 INFO L268 CegarLoopResult]: For program point L892(lines 892 899) no Hoare annotation was computed. [2020-10-14 07:06:34,138 INFO L268 CegarLoopResult]: For program point L892-1(lines 892 899) no Hoare annotation was computed. [2020-10-14 07:06:34,139 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-10-14 07:06:34,139 INFO L264 CegarLoopResult]: At program point L889(line 889) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-10-14 07:06:34,139 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 882 904) no Hoare annotation was computed. [2020-10-14 07:06:34,139 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-10-14 07:06:34,139 INFO L264 CegarLoopResult]: At program point L888-1(line 888) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-10-14 07:06:34,139 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 882 904) no Hoare annotation was computed. [2020-10-14 07:06:34,140 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2020-10-14 07:06:34,140 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2020-10-14 07:06:34,140 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2020-10-14 07:06:34,140 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-10-14 07:06:34,140 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-10-14 07:06:34,140 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-10-14 07:06:34,140 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-10-14 07:06:34,140 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-10-14 07:06:34,140 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-10-14 07:06:34,140 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-10-14 07:06:34,141 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-10-14 07:06:34,141 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-10-14 07:06:34,141 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-10-14 07:06:34,141 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-10-14 07:06:34,141 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-10-14 07:06:34,141 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-10-14 07:06:34,141 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-10-14 07:06:34,141 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2020-10-14 07:06:34,141 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2020-10-14 07:06:34,142 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2020-10-14 07:06:34,142 INFO L268 CegarLoopResult]: For program point L191(lines 191 199) no Hoare annotation was computed. [2020-10-14 07:06:34,142 INFO L268 CegarLoopResult]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2020-10-14 07:06:34,142 INFO L268 CegarLoopResult]: For program point L179(lines 179 187) no Hoare annotation was computed. [2020-10-14 07:06:34,142 INFO L268 CegarLoopResult]: For program point L179-2(lines 179 187) no Hoare annotation was computed. [2020-10-14 07:06:34,142 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 172 207) no Hoare annotation was computed. [2020-10-14 07:06:34,142 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 07:06:34,142 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-10-14 07:06:34,142 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 172 207) no Hoare annotation was computed. [2020-10-14 07:06:34,142 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 172 207) no Hoare annotation was computed. [2020-10-14 07:06:34,142 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 917 923) no Hoare annotation was computed. [2020-10-14 07:06:34,142 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 917 923) the Hoare annotation is: true [2020-10-14 07:06:34,142 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 446 491) no Hoare annotation was computed. [2020-10-14 07:06:34,143 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 446 491) no Hoare annotation was computed. [2020-10-14 07:06:34,143 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 446 491) no Hoare annotation was computed. [2020-10-14 07:06:34,143 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 759 804) no Hoare annotation was computed. [2020-10-14 07:06:34,143 INFO L268 CegarLoopResult]: For program point L779(lines 779 786) no Hoare annotation was computed. [2020-10-14 07:06:34,143 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 759 804) no Hoare annotation was computed. [2020-10-14 07:06:34,143 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 759 804) no Hoare annotation was computed. [2020-10-14 07:06:34,143 INFO L268 CegarLoopResult]: For program point L773(lines 773 793) no Hoare annotation was computed. [2020-10-14 07:06:34,143 INFO L268 CegarLoopResult]: For program point L773-1(lines 773 793) no Hoare annotation was computed. [2020-10-14 07:06:34,143 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 868 878) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-10-14 07:06:34,143 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 868 878) no Hoare annotation was computed. [2020-10-14 07:06:34,143 INFO L264 CegarLoopResult]: At program point L873(line 873) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-10-14 07:06:34,143 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 868 878) no Hoare annotation was computed. [2020-10-14 07:06:34,143 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2020-10-14 07:06:34,144 INFO L271 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: true [2020-10-14 07:06:34,144 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-10-14 07:06:34,144 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2020-10-14 07:06:34,144 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2020-10-14 07:06:34,144 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1)) .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2020-10-14 07:06:34,144 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2020-10-14 07:06:34,144 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2020-10-14 07:06:34,144 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 416 429) no Hoare annotation was computed. [2020-10-14 07:06:34,144 INFO L268 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2020-10-14 07:06:34,144 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 416 429) the Hoare annotation is: true [2020-10-14 07:06:34,144 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 416 429) no Hoare annotation was computed. [2020-10-14 07:06:34,144 INFO L268 CegarLoopResult]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2020-10-14 07:06:34,145 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse0 .cse3 .cse5 .cse4) (or .cse0 .cse1 .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-14 07:06:34,145 INFO L264 CegarLoopResult]: At program point L121(line 121) the Hoare annotation is: (let ((.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse5 .cse2 (and .cse6 (<= 1 processEnvironment_~tmp~1))))) [2020-10-14 07:06:34,145 INFO L268 CegarLoopResult]: For program point L119(lines 119 127) no Hoare annotation was computed. [2020-10-14 07:06:34,145 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2020-10-14 07:06:34,145 INFO L264 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (let ((.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse5 .cse2 .cse6) (or .cse0 .cse5 .cse4 .cse6))) [2020-10-14 07:06:34,145 INFO L268 CegarLoopResult]: For program point L117-1(line 117) no Hoare annotation was computed. [2020-10-14 07:06:34,146 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse3) (or .cse0 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4))) [2020-10-14 07:06:34,146 INFO L268 CegarLoopResult]: For program point L115(lines 115 132) no Hoare annotation was computed. [2020-10-14 07:06:34,146 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse2) (or .cse0 .cse1 .cse6 .cse3 .cse4))) [2020-10-14 07:06:34,146 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2020-10-14 07:06:34,146 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2020-10-14 07:06:34,146 INFO L264 CegarLoopResult]: At program point testENTRY(lines 231 294) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-10-14 07:06:34,146 INFO L264 CegarLoopResult]: At program point L287(lines 240 288) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-14 07:06:34,146 INFO L268 CegarLoopResult]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2020-10-14 07:06:34,146 INFO L268 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2020-10-14 07:06:34,146 INFO L264 CegarLoopResult]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not .cse0) (and .cse0 .cse1 .cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse3) (and .cse4 .cse5 .cse1) (and .cse0 .cse5 .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse4 .cse1 (= ~methaneLevelCritical~0 0)))) [2020-10-14 07:06:34,146 INFO L268 CegarLoopResult]: For program point L242(lines 241 286) no Hoare annotation was computed. [2020-10-14 07:06:34,147 INFO L268 CegarLoopResult]: For program point L271(lines 271 282) no Hoare annotation was computed. [2020-10-14 07:06:34,147 INFO L264 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse3 (= ~methAndRunningLastTime~0 0))) (or (not .cse0) (and .cse0 .cse1 .cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse3) (and .cse4 .cse5 .cse1) (and .cse0 .cse5 .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse4 .cse1 (= ~methaneLevelCritical~0 0) .cse3))) [2020-10-14 07:06:34,147 INFO L268 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2020-10-14 07:06:34,147 INFO L268 CegarLoopResult]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2020-10-14 07:06:34,147 INFO L264 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0)) (.cse3 (<= 0 ~pumpRunning~0)) (.cse4 (<= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (not .cse0) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse6 .cse3 .cse4 .cse5) (and .cse7 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse7 .cse2 .cse6 .cse5))) [2020-10-14 07:06:34,147 INFO L264 CegarLoopResult]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0)) (.cse3 (<= 0 ~pumpRunning~0)) (.cse4 (<= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (not .cse0) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse6 .cse3 .cse4 .cse5) (and .cse7 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse7 .cse2 .cse6 .cse5))) [2020-10-14 07:06:34,147 INFO L268 CegarLoopResult]: For program point L251(lines 251 257) no Hoare annotation was computed. [2020-10-14 07:06:34,147 INFO L268 CegarLoopResult]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2020-10-14 07:06:34,147 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-10-14 07:06:34,147 INFO L268 CegarLoopResult]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2020-10-14 07:06:34,148 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-10-14 07:06:34,148 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 713 758) no Hoare annotation was computed. [2020-10-14 07:06:34,148 INFO L268 CegarLoopResult]: For program point L727(lines 727 747) no Hoare annotation was computed. [2020-10-14 07:06:34,148 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 747) no Hoare annotation was computed. [2020-10-14 07:06:34,148 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 713 758) no Hoare annotation was computed. [2020-10-14 07:06:34,148 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 713 758) no Hoare annotation was computed. [2020-10-14 07:06:34,148 INFO L264 CegarLoopResult]: At program point L321(line 321) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse0 .cse2 .cse3) (or .cse0 .cse3 .cse4) (or .cse0 .cse1 .cse4))) [2020-10-14 07:06:34,148 INFO L268 CegarLoopResult]: For program point L319(lines 319 325) no Hoare annotation was computed. [2020-10-14 07:06:34,149 INFO L268 CegarLoopResult]: For program point L318(lines 318 328) no Hoare annotation was computed. [2020-10-14 07:06:34,149 INFO L264 CegarLoopResult]: At program point L316(line 316) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse4) (or .cse0 .cse5 .cse2) (or .cse0 .cse5 .cse3 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse4))) [2020-10-14 07:06:34,149 INFO L268 CegarLoopResult]: For program point L316-1(line 316) no Hoare annotation was computed. [2020-10-14 07:06:34,149 INFO L268 CegarLoopResult]: For program point L314(lines 314 331) no Hoare annotation was computed. [2020-10-14 07:06:34,149 INFO L268 CegarLoopResult]: For program point L314-1(lines 306 334) no Hoare annotation was computed. [2020-10-14 07:06:34,149 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse0 .cse4 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse3) (or .cse0 .cse2 .cse5 .cse3))) [2020-10-14 07:06:34,149 INFO L268 CegarLoopResult]: For program point L312-1(line 312) no Hoare annotation was computed. [2020-10-14 07:06:34,149 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 306 334) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse0 .cse4 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse3) (or .cse0 .cse2 .cse5 .cse3))) [2020-10-14 07:06:34,149 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 306 334) no Hoare annotation was computed. [2020-10-14 07:06:34,149 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 384 406) no Hoare annotation was computed. [2020-10-14 07:06:34,149 INFO L268 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-10-14 07:06:34,150 INFO L268 CegarLoopResult]: For program point L392-2(lines 392 400) no Hoare annotation was computed. [2020-10-14 07:06:34,150 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 384 406) no Hoare annotation was computed. [2020-10-14 07:06:34,150 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 384 406) no Hoare annotation was computed. [2020-10-14 07:06:34,150 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 298 305) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:06:34,150 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 298 305) no Hoare annotation was computed. [2020-10-14 07:06:34,150 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 298 305) no Hoare annotation was computed. [2020-10-14 07:06:34,150 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 610 712) no Hoare annotation was computed. [2020-10-14 07:06:34,150 INFO L268 CegarLoopResult]: For program point L634(lines 634 638) no Hoare annotation was computed. [2020-10-14 07:06:34,150 INFO L268 CegarLoopResult]: For program point L698(lines 698 709) no Hoare annotation was computed. [2020-10-14 07:06:34,151 INFO L268 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-10-14 07:06:34,151 INFO L268 CegarLoopResult]: For program point L659-2(lines 659 679) no Hoare annotation was computed. [2020-10-14 07:06:34,151 INFO L268 CegarLoopResult]: For program point L680(lines 658 681) no Hoare annotation was computed. [2020-10-14 07:06:34,151 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 610 712) no Hoare annotation was computed. [2020-10-14 07:06:34,151 INFO L268 CegarLoopResult]: For program point L639(lines 639 655) no Hoare annotation was computed. [2020-10-14 07:06:34,151 INFO L268 CegarLoopResult]: For program point L699(lines 699 706) no Hoare annotation was computed. [2020-10-14 07:06:34,151 INFO L268 CegarLoopResult]: For program point L660(lines 659 679) no Hoare annotation was computed. [2020-10-14 07:06:34,151 INFO L268 CegarLoopResult]: For program point L691(line 691) no Hoare annotation was computed. [2020-10-14 07:06:34,151 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-10-14 07:06:34,151 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 610 712) no Hoare annotation was computed. [2020-10-14 07:06:34,151 INFO L268 CegarLoopResult]: For program point L656(lines 656 697) no Hoare annotation was computed. [2020-10-14 07:06:34,151 INFO L268 CegarLoopResult]: For program point L675(line 675) no Hoare annotation was computed. [2020-10-14 07:06:34,151 INFO L268 CegarLoopResult]: For program point L675-1(line 675) no Hoare annotation was computed. [2020-10-14 07:06:34,151 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 907 916) no Hoare annotation was computed. [2020-10-14 07:06:34,151 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 907 916) no Hoare annotation was computed. [2020-10-14 07:06:34,152 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 907 916) no Hoare annotation was computed. [2020-10-14 07:06:34,152 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:06:34,152 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-14 07:06:34,152 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:06:34,152 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 136 143) no Hoare annotation was computed. [2020-10-14 07:06:34,152 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2020-10-14 07:06:34,152 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 136 143) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3))) [2020-10-14 07:06:34,152 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2020-10-14 07:06:34,152 INFO L268 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2020-10-14 07:06:34,152 INFO L271 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: true [2020-10-14 07:06:34,153 INFO L268 CegarLoopResult]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2020-10-14 07:06:34,153 INFO L268 CegarLoopResult]: For program point L215-1(line 215) no Hoare annotation was computed. [2020-10-14 07:06:34,153 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2020-10-14 07:06:34,153 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2020-10-14 07:06:34,153 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 407 415) no Hoare annotation was computed. [2020-10-14 07:06:34,153 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 407 415) no Hoare annotation was computed. [2020-10-14 07:06:34,153 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 407 415) no Hoare annotation was computed. [2020-10-14 07:06:34,153 INFO L268 CegarLoopResult]: For program point L367-1(lines 363 374) no Hoare annotation was computed. [2020-10-14 07:06:34,153 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 363 374) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse4 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse6) (or .cse0 .cse7 .cse1 .cse5 .cse6) (or .cse0 .cse7 .cse3 .cse4))) [2020-10-14 07:06:34,153 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 363 374) no Hoare annotation was computed. [2020-10-14 07:06:34,153 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:06:34,154 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-14 07:06:34,154 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:06:34,154 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 375 383) the Hoare annotation is: true [2020-10-14 07:06:34,154 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 375 383) no Hoare annotation was computed. [2020-10-14 07:06:34,154 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 375 383) no Hoare annotation was computed. [2020-10-14 07:06:34,154 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (= ~pumpRunning~0 0) .cse4)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (<= 1 ~pumpRunning~0) .cse11 (= ~methAndRunningLastTime~0 0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (and .cse11 .cse3 .cse4)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) .cse5) (or .cse0 .cse1 .cse6 .cse5) (or .cse7 .cse0 .cse2 .cse8 .cse9 .cse10) (or .cse7 .cse0 .cse6 .cse8 .cse9 .cse10)))) [2020-10-14 07:06:34,154 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5) (or .cse0 .cse6 .cse2 .cse3) (or .cse0 .cse4 .cse6 .cse5))) [2020-10-14 07:06:34,154 INFO L268 CegarLoopResult]: For program point L57(lines 56 75) no Hoare annotation was computed. [2020-10-14 07:06:34,154 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse2 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse3 .cse4) (or .cse0 .cse6 .cse1 .cse2) (or .cse0 .cse6 .cse5 .cse2))) [2020-10-14 07:06:34,154 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2020-10-14 07:06:34,154 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2020-10-14 07:06:34,155 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse2 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse8 .cse9)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and .cse8 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse3 .cse4) (or .cse0 .cse6 .cse5 .cse7) (or .cse0 .cse6 .cse1 .cse7)))) [2020-10-14 07:06:34,155 INFO L271 CegarLoopResult]: At program point L832(lines 807 836) the Hoare annotation is: true [2020-10-14 07:06:34,155 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2020-10-14 07:06:34,155 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2020-10-14 07:06:34,155 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-10-14 07:06:34,155 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-10-14 07:06:34,155 INFO L271 CegarLoopResult]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2020-10-14 07:06:34,155 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-10-14 07:06:34,155 INFO L271 CegarLoopResult]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2020-10-14 07:06:34,156 INFO L271 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: true [2020-10-14 07:06:34,156 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-10-14 07:06:34,156 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 339 350) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 1))) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2020-10-14 07:06:34,156 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 339 350) no Hoare annotation was computed. [2020-10-14 07:06:34,156 INFO L268 CegarLoopResult]: For program point L343-1(lines 339 350) no Hoare annotation was computed. [2020-10-14 07:06:34,156 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2020-10-14 07:06:34,156 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2020-10-14 07:06:34,156 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:06:34,156 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-14 07:06:34,156 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 07:06:34,156 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:06:34,157 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 85 109) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1)) .cse3 .cse4))) [2020-10-14 07:06:34,157 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1)) .cse3 .cse4))) [2020-10-14 07:06:34,157 INFO L268 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2020-10-14 07:06:34,157 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2020-10-14 07:06:34,157 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1)) .cse3 .cse4))) [2020-10-14 07:06:34,157 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed. [2020-10-14 07:06:34,157 INFO L268 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2020-10-14 07:06:34,157 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (let ((.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-14 07:06:34,158 INFO L268 CegarLoopResult]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2020-10-14 07:06:34,158 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= processEnvironment__wrappee__highWaterSensor_~tmp~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse2 .cse3 .cse1 .cse4) (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 1)) .cse3 .cse4))) [2020-10-14 07:06:34,158 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 351 362) no Hoare annotation was computed. [2020-10-14 07:06:34,158 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 351 362) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5) (or .cse0 .cse2 .cse3 .cse6 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse6))) [2020-10-14 07:06:34,158 INFO L268 CegarLoopResult]: For program point L355-1(lines 351 362) no Hoare annotation was computed. [2020-10-14 07:06:34,158 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 431 438) no Hoare annotation was computed. [2020-10-14 07:06:34,158 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2020-10-14 07:06:34,158 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 431 438) the Hoare annotation is: true [2020-10-14 07:06:34,158 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 431 438) no Hoare annotation was computed. [2020-10-14 07:06:34,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:06:34 BoogieIcfgContainer [2020-10-14 07:06:34,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 07:06:34,178 INFO L168 Benchmark]: Toolchain (without parser) took 115247.54 ms. Allocated memory was 147.8 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 102.9 MB in the beginning and 769.3 MB in the end (delta: -666.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-10-14 07:06:34,178 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 07:06:34,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.15 ms. Allocated memory was 147.8 MB in the beginning and 207.1 MB in the end (delta: 59.2 MB). Free memory was 102.9 MB in the beginning and 175.5 MB in the end (delta: -72.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2020-10-14 07:06:34,179 INFO L168 Benchmark]: Boogie Preprocessor took 114.86 ms. Allocated memory is still 207.1 MB. Free memory was 175.5 MB in the beginning and 171.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-10-14 07:06:34,180 INFO L168 Benchmark]: RCFGBuilder took 1141.44 ms. Allocated memory was 207.1 MB in the beginning and 235.4 MB in the end (delta: 28.3 MB). Free memory was 171.5 MB in the beginning and 196.0 MB in the end (delta: -24.5 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2020-10-14 07:06:34,181 INFO L168 Benchmark]: TraceAbstraction took 113277.54 ms. Allocated memory was 235.4 MB in the beginning and 1.2 GB in the end (delta: 920.1 MB). Free memory was 196.0 MB in the beginning and 769.3 MB in the end (delta: -573.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-10-14 07:06:34,183 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.15 ms. Allocated memory was 147.8 MB in the beginning and 207.1 MB in the end (delta: 59.2 MB). Free memory was 102.9 MB in the beginning and 175.5 MB in the end (delta: -72.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.86 ms. Allocated memory is still 207.1 MB. Free memory was 175.5 MB in the beginning and 171.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1141.44 ms. Allocated memory was 207.1 MB in the beginning and 235.4 MB in the end (delta: 28.3 MB). Free memory was 171.5 MB in the beginning and 196.0 MB in the end (delta: -24.5 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 113277.54 ms. Allocated memory was 235.4 MB in the beginning and 1.2 GB in the end (delta: 920.1 MB). Free memory was 196.0 MB in the beginning and 769.3 MB in the end (delta: -573.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 435]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: ((((((!(1 <= systemActive) || (((((1 <= systemActive && methaneLevelCritical == 1) && splverifierCounter <= 0) && 0 <= pumpRunning) && pumpRunning <= 0) && methAndRunningLastTime == 0)) || (((((1 <= systemActive && splverifierCounter <= 0) && methaneLevelCritical == 0) && 0 <= pumpRunning) && pumpRunning <= 0) && methAndRunningLastTime == 0)) || ((1 <= pumpRunning && methaneLevelCritical == 1) && splverifierCounter <= 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || !(\old(methAndRunningLastTime) == 0)) || (((1 <= pumpRunning && splverifierCounter <= 0) && methaneLevelCritical == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((!(1 <= systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 82.5s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 28.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 30.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1338 SDtfs, 3379 SDslu, 1362 SDs, 0 SdLazy, 6297 SolverSat, 2309 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 517 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 914 ImplicationChecksByTransitivity, 12.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=635occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 790 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 1213 PreInvPairs, 1321 NumberOfFragments, 2361 HoareAnnotationTreeSize, 1213 FomulaSimplifications, 989951053 FormulaSimplificationTreeSizeReduction, 8.0s HoareSimplificationTime, 59 FomulaSimplificationsInter, 11324640 FormulaSimplificationTreeSizeReductionInter, 22.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 52.7s InterpolantComputationTime, 966 NumberOfCodeBlocks, 966 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 955 ConstructedInterpolants, 0 QuantifiedInterpolants, 323696 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 85/95 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 correct! Received shutdown request...