/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:17:14,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:17:14,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:17:14,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:17:14,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:17:14,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:17:14,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:17:14,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:17:14,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:17:14,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:17:14,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:17:14,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:17:14,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:17:14,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:17:14,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:17:14,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:17:14,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:17:14,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:17:14,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:17:14,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:17:14,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:17:14,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:17:14,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:17:14,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:17:14,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:17:14,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:17:14,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:17:14,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:17:14,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:17:14,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:17:14,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:17:14,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:17:14,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:17:14,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:17:14,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:17:14,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:17:14,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:17:14,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:17:14,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:17:14,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:17:14,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:17:14,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 06:17:14,841 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:17:14,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:17:14,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:17:14,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:17:14,844 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:17:14,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:17:14,844 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:17:14,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:17:14,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:17:14,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:17:14,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:17:14,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:17:14,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:17:14,847 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:17:14,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:17:14,847 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:17:14,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:17:14,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:17:14,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:17:14,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:17:14,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:17:14,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:17:14,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:17:14,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:17:14,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:17:14,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:17:14,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:17:14,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:17:14,850 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:17:14,851 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-09-25 06:17:15,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:17:15,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:17:15,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:17:15,312 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:17:15,313 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:17:15,314 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product34.cil.c [2020-09-25 06:17:15,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa4a1c3c9/622503caad45475093fc2e267a381e31/FLAG4e154368d [2020-09-25 06:17:16,023 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:17:16,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product34.cil.c [2020-09-25 06:17:16,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa4a1c3c9/622503caad45475093fc2e267a381e31/FLAG4e154368d [2020-09-25 06:17:16,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa4a1c3c9/622503caad45475093fc2e267a381e31 [2020-09-25 06:17:16,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:17:16,310 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:17:16,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:17:16,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:17:16,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:17:16,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:17:16" (1/1) ... [2020-09-25 06:17:16,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ecced43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:17:16, skipping insertion in model container [2020-09-25 06:17:16,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:17:16" (1/1) ... [2020-09-25 06:17:16,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:17:16,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:17:16,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:17:16,819 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:17:16,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:17:17,031 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:17:17,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:17:17 WrapperNode [2020-09-25 06:17:17,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:17:17,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:17:17,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:17:17,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:17:17,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:17:17" (1/1) ... [2020-09-25 06:17:17,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:17:17" (1/1) ... [2020-09-25 06:17:17,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:17:17" (1/1) ... [2020-09-25 06:17:17,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:17:17" (1/1) ... [2020-09-25 06:17:17,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:17:17" (1/1) ... [2020-09-25 06:17:17,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:17:17" (1/1) ... [2020-09-25 06:17:17,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:17:17" (1/1) ... [2020-09-25 06:17:17,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:17:17,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:17:17,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:17:17,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:17:17,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:17:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:17:17,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:17:17,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:17:17,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:17:17,288 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:17:17,289 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:17:17,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:17:17,289 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:17:17,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:17:17,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:17:17,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:17:17,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:17:17,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:17:17,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:17:17,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:17:17,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:17:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:17:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:17:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:17:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:17:17,294 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:17:17,294 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:17:17,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 06:17:17,295 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:17:17,295 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:17:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 06:17:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:17:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:17:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:17:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:17:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:17:17,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:17:17,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 06:17:17,297 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 06:17:17,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 06:17:17,297 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:17:17,297 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:17:17,298 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:17:17,298 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:17:17,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:17:17,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:17:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:17:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:17:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:17:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:17:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:17:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:17:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:17:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:17:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:17:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:17:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:17:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:17:17,305 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:17:17,305 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:17:17,305 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:17:17,305 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:17:17,306 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:17:17,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:17:17,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:17:17,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:17:17,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:17:17,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:17:17,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:17:17,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:17:17,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:17:17,307 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:17:17,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:17:17,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:17:17,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:17:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:17:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:17:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:17:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:17:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:17:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:17:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:17:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 06:17:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 06:17:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:17:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:17:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:17:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 06:17:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:17:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 06:17:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 06:17:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:17:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:17:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:17:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:17:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:17:18,545 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:17:18,545 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:17:18,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:17:18 BoogieIcfgContainer [2020-09-25 06:17:18,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:17:18,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:17:18,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:17:18,560 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:17:18,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:17:16" (1/3) ... [2020-09-25 06:17:18,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e522d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:17:18, skipping insertion in model container [2020-09-25 06:17:18,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:17:17" (2/3) ... [2020-09-25 06:17:18,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e522d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:17:18, skipping insertion in model container [2020-09-25 06:17:18,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:17:18" (3/3) ... [2020-09-25 06:17:18,565 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product34.cil.c [2020-09-25 06:17:18,577 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:17:18,589 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:17:18,611 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:17:18,647 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:17:18,647 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:17:18,647 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:17:18,648 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:17:18,648 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:17:18,648 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:17:18,648 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:17:18,648 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:17:18,679 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states. [2020-09-25 06:17:18,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 06:17:18,698 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:17:18,700 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:17:18,700 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:17:18,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:17:18,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1579336434, now seen corresponding path program 1 times [2020-09-25 06:17:18,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:17:18,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1485152818] [2020-09-25 06:17:18,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:17:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:19,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:19,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:20,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:21,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:24,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:24,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 06:17:24,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:17:24,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 06:17:24,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:24,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:24,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:24,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 06:17:24,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:24,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 06:17:24,683 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:17:24,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:17:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:24,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:24,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:24,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:17:24,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:24,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-09-25 06:17:24,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:24,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:24,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:24,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:17:24,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:17:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:24,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:24,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:24,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:17:24,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:24,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:17:24,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:24,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:24,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:24,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:24,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:24,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:24,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:17:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:25,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:25,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:25,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:17:25,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:25,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:17:25,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:25,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:25,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:25,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:25,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:25,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:25,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:17:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:25,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:25,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:25,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:17:25,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:25,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:17:25,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:25,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:25,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:25,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:25,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:25,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:25,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:17:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:25,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:25,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:25,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:17:25,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:25,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:17:25,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:25,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:25,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:25,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:25,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:25,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:25,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:17:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:25,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:25,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:25,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:17:25,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:25,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:17:25,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:25,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:25,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:25,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:17:25,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:25,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 49 [2020-09-25 06:17:25,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:17:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:25,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:25,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:25,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:17:25,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:25,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:17:25,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:25,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:25,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:25,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:17:25,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:25,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:25,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:17:25,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1485152818] [2020-09-25 06:17:25,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:17:25,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 06:17:25,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076871448] [2020-09-25 06:17:25,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 06:17:25,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:17:25,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 06:17:25,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:17:25,196 INFO L87 Difference]: Start difference. First operand 288 states. Second operand 3 states. [2020-09-25 06:17:26,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:17:26,635 INFO L93 Difference]: Finished difference Result 428 states and 511 transitions. [2020-09-25 06:17:26,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 06:17:26,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 06:17:26,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:17:26,658 INFO L225 Difference]: With dead ends: 428 [2020-09-25 06:17:26,658 INFO L226 Difference]: Without dead ends: 271 [2020-09-25 06:17:26,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:17:26,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-09-25 06:17:26,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 231. [2020-09-25 06:17:26,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-09-25 06:17:26,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 249 transitions. [2020-09-25 06:17:26,776 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 249 transitions. Word has length 142 [2020-09-25 06:17:26,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:17:26,782 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 249 transitions. [2020-09-25 06:17:26,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 06:17:26,782 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 249 transitions. [2020-09-25 06:17:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 06:17:26,792 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:17:26,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:17:26,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:17:26,796 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:17:26,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:17:26,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1721031810, now seen corresponding path program 1 times [2020-09-25 06:17:26,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:17:26,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96507857] [2020-09-25 06:17:26,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:17:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:26,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:27,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:28,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:28,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:29,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:31,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:31,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 06:17:31,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:17:31,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 06:17:31,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:31,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:31,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:17:31,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 06:17:31,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:17:31,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:32,192 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:17:32,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:17:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:32,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:32,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:32,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:17:32,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:32,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 06:17:32,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:32,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:32,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:32,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:17:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:32,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:32,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:32,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:17:32,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:32,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:17:32,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:32,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:32,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:32,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:32,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:32,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:32,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:17:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:32,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:32,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:32,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:17:32,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:32,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:17:32,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:32,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:32,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:32,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:32,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:32,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:32,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:17:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:32,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:32,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:32,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:17:32,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:32,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:17:32,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:32,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:32,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:32,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:32,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:32,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:32,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:17:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:32,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:32,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:32,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:17:32,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:32,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:17:32,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:32,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:32,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:32,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:32,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:32,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:32,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:17:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:32,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:32,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:32,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:17:32,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:32,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:17:32,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:32,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:32,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:32,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:17:32,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:32,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:32,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:17:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:32,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:32,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:32,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:17:32,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:32,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:17:32,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:32,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:32,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:32,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:17:32,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:32,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:17:32,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96507857] [2020-09-25 06:17:32,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:17:32,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:17:32,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123536843] [2020-09-25 06:17:32,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:17:32,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:17:32,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:17:32,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:17:32,438 INFO L87 Difference]: Start difference. First operand 231 states and 249 transitions. Second operand 4 states. [2020-09-25 06:17:33,121 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:33,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:17:33,921 INFO L93 Difference]: Finished difference Result 341 states and 382 transitions. [2020-09-25 06:17:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 06:17:33,922 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 06:17:33,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:17:33,926 INFO L225 Difference]: With dead ends: 341 [2020-09-25 06:17:33,926 INFO L226 Difference]: Without dead ends: 254 [2020-09-25 06:17:33,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:17:33,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-09-25 06:17:33,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 221. [2020-09-25 06:17:33,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-09-25 06:17:33,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 236 transitions. [2020-09-25 06:17:33,969 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 236 transitions. Word has length 143 [2020-09-25 06:17:33,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:17:33,970 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 236 transitions. [2020-09-25 06:17:33,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:17:33,970 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 236 transitions. [2020-09-25 06:17:33,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 06:17:33,972 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:17:33,972 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:17:33,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:17:33,973 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:17:33,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:17:33,973 INFO L82 PathProgramCache]: Analyzing trace with hash -637816119, now seen corresponding path program 1 times [2020-09-25 06:17:33,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:17:33,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [82496656] [2020-09-25 06:17:33,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:17:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:34,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:34,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:35,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:35,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:39,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:39,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 06:17:39,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:17:39,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 06:17:39,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:39,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:17:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 06:17:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:17:39,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:39,391 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:17:39,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:17:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:39,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:39,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:39,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:17:39,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:39,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 06:17:39,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:39,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:39,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:39,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:39,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:39,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:39,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:17:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:39,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:39,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:39,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:17:39,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:39,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:17:39,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:39,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:39,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:39,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:39,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:39,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:39,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:17:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:39,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:39,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:39,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:17:39,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:39,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:17:39,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:39,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:39,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:39,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:39,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:39,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:39,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:17:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:39,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:39,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:39,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:17:39,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:39,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:17:39,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:39,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:39,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:39,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:39,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:39,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:39,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:17:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:39,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:39,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:39,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:17:39,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:39,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:17:39,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:39,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:39,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:39,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:39,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:39,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 06:17:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:39,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:39,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:39,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:17:39,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:39,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:17:39,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:39,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:39,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:17:39,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:39,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:17:39,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:39,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 06:17:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:39,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:39,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:39,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:17:39,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:39,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:17:39,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:39,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:39,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:39,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:17:39,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:39,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:39,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:17:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:39,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:39,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:39,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:17:39,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:39,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:17:39,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:39,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:39,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:39,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:17:39,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:39,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:39,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:17:39,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [82496656] [2020-09-25 06:17:39,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:17:39,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:17:39,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966421949] [2020-09-25 06:17:39,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:17:39,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:17:39,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:17:39,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:17:39,742 INFO L87 Difference]: Start difference. First operand 221 states and 236 transitions. Second operand 5 states. [2020-09-25 06:17:40,410 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:17:41,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:17:41,210 INFO L93 Difference]: Finished difference Result 387 states and 444 transitions. [2020-09-25 06:17:41,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:17:41,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 06:17:41,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:17:41,215 INFO L225 Difference]: With dead ends: 387 [2020-09-25 06:17:41,215 INFO L226 Difference]: Without dead ends: 276 [2020-09-25 06:17:41,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:17:41,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-25 06:17:41,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 221. [2020-09-25 06:17:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-09-25 06:17:41,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 235 transitions. [2020-09-25 06:17:41,261 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 235 transitions. Word has length 156 [2020-09-25 06:17:41,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:17:41,261 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 235 transitions. [2020-09-25 06:17:41,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:17:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 235 transitions. [2020-09-25 06:17:41,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-09-25 06:17:41,263 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:17:41,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:17:41,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:17:41,264 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:17:41,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:17:41,264 INFO L82 PathProgramCache]: Analyzing trace with hash 2046958432, now seen corresponding path program 1 times [2020-09-25 06:17:41,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:17:41,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748813334] [2020-09-25 06:17:41,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:17:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:41,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:41,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:42,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:43,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:44,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:46,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:46,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-25 06:17:46,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:17:46,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 06:17:46,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:46,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 06:17:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-09-25 06:17:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:17:46,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:17:46,656 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:17:46,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:17:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:46,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:46,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:46,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:17:46,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:46,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 06:17:46,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:46,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:46,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:46,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:46,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:46,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:46,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:17:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:46,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:46,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:46,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:17:46,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:46,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:17:46,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:46,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:46,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:46,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:17:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:46,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:46,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:46,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:17:46,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:46,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:17:46,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:46,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:46,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:46,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:46,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:46,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:46,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:17:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:46,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:46,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:46,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:17:46,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:46,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:17:46,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:46,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:46,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:46,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:17:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:46,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:46,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:46,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:17:46,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:46,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:17:46,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:46,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:46,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:46,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 06:17:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:46,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:46,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:46,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:17:46,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:46,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:17:46,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:46,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:46,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:46,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:46,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:46,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:46,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:17:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:46,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:46,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:46,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:17:46,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:46,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:17:46,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:46,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:46,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 06:17:46,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 06:17:46,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 06:17:46,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:46,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:17:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:46,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:46,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:46,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:17:46,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:46,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:17:46,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:46,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:46,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:17:46,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:46,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:17:46,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:46,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-25 06:17:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:46,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:46,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:46,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:17:46,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:46,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:17:46,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:46,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:17:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:46,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:46,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 06:17:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:46,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:46,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:46,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:17:46,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:46,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:17:46,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:46,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:46,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:46,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:17:46,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:46,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:17:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:17:46,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748813334] [2020-09-25 06:17:46,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:17:46,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 06:17:46,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683190094] [2020-09-25 06:17:46,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 06:17:46,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:17:46,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 06:17:46,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:17:46,968 INFO L87 Difference]: Start difference. First operand 221 states and 235 transitions. Second operand 7 states. [2020-09-25 06:17:47,498 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:17:49,022 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:49,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:17:49,774 INFO L93 Difference]: Finished difference Result 558 states and 661 transitions. [2020-09-25 06:17:49,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 06:17:49,775 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 164 [2020-09-25 06:17:49,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:17:49,780 INFO L225 Difference]: With dead ends: 558 [2020-09-25 06:17:49,780 INFO L226 Difference]: Without dead ends: 447 [2020-09-25 06:17:49,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-09-25 06:17:49,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-09-25 06:17:49,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 320. [2020-09-25 06:17:49,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-09-25 06:17:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 344 transitions. [2020-09-25 06:17:49,833 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 344 transitions. Word has length 164 [2020-09-25 06:17:49,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:17:49,833 INFO L479 AbstractCegarLoop]: Abstraction has 320 states and 344 transitions. [2020-09-25 06:17:49,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 06:17:49,834 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 344 transitions. [2020-09-25 06:17:49,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-09-25 06:17:49,836 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:17:49,837 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:17:49,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:17:49,837 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:17:49,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:17:49,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1320660125, now seen corresponding path program 1 times [2020-09-25 06:17:49,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:17:49,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1348042994] [2020-09-25 06:17:49,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:17:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:49,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:50,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:50,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:51,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:54,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:54,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-09-25 06:17:54,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:17:54,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-09-25 06:17:54,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:54,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:54,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:17:54,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-09-25 06:17:54,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 06:17:54,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:17:55,260 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:17:55,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:17:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:55,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:55,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:55,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:17:55,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:55,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-25 06:17:55,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:55,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:55,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:55,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:55,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:55,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:17:55,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:17:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:55,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:55,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:55,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:17:55,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:55,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:17:55,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:55,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:55,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:17:55,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:17:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:55,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:55,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:55,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:17:55,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:55,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:17:55,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:55,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:55,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:55,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:55,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:55,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:17:55,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:17:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:55,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:55,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:55,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:17:55,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:55,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:17:55,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:55,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:55,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:55,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:55,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:55,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:17:55,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:17:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:55,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:55,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:55,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:17:55,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:55,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:17:55,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:55,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:55,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:55,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:55,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:55,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:55,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 06:17:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:55,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:55,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:55,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:17:55,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:55,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:17:55,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:55,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:55,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:17:55,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:17:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:55,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:55,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:55,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:55,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 06:17:55,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:17:55,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 06:17:55,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:55,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:55,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:17:55,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:55,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:17:55,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:17:55,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:17:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:55,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:55,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:55,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 06:17:55,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:55,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 06:17:55,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:55,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:55,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:17:55,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:55,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 06:17:55,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:17:55,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 06:17:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:55,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:55,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:55,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:17:55,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:55,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:17:55,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:55,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:55,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:17:55,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:55,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:17:55,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:17:55,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 06:17:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:55,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:55,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:55,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:17:55,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:55,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:17:55,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:55,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:55,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:17:55,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:55,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:17:55,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:55,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 06:17:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:55,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:55,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:55,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:17:55,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:55,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:17:55,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:55,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:17:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:17:55,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:55,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 06:17:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:17:55,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:17:55,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:17:55,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:17:55,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:17:55,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:17:55,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:17:55,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:17:55,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:17:55,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:17:55,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:17:55,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:17:55,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:17:55,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1348042994] [2020-09-25 06:17:55,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:17:55,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 06:17:55,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559736604] [2020-09-25 06:17:55,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 06:17:55,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:17:55,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 06:17:55,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 06:17:55,601 INFO L87 Difference]: Start difference. First operand 320 states and 344 transitions. Second operand 10 states. [2020-09-25 06:17:56,153 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:17:57,641 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:57,916 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:17:58,208 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:17:58,523 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:58,848 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:59,179 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:17:59,486 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:59,803 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:18:00,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:18:00,685 INFO L93 Difference]: Finished difference Result 450 states and 528 transitions. [2020-09-25 06:18:00,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 06:18:00,685 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 188 [2020-09-25 06:18:00,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:18:00,689 INFO L225 Difference]: With dead ends: 450 [2020-09-25 06:18:00,689 INFO L226 Difference]: Without dead ends: 447 [2020-09-25 06:18:00,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 06:18:00,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-09-25 06:18:00,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 320. [2020-09-25 06:18:00,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-09-25 06:18:00,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 343 transitions. [2020-09-25 06:18:00,740 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 343 transitions. Word has length 188 [2020-09-25 06:18:00,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:18:00,741 INFO L479 AbstractCegarLoop]: Abstraction has 320 states and 343 transitions. [2020-09-25 06:18:00,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 06:18:00,741 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 343 transitions. [2020-09-25 06:18:00,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-09-25 06:18:00,744 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:18:00,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:18:00,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 06:18:00,745 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:18:00,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:18:00,745 INFO L82 PathProgramCache]: Analyzing trace with hash -2031243052, now seen corresponding path program 1 times [2020-09-25 06:18:00,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:18:00,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [778697484] [2020-09-25 06:18:00,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:18:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:18:00,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:18:01,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:18:05,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:18:05,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-25 06:18:05,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:18:05,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4619 [2020-09-25 06:18:05,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:18:05,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:18:05,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:18:05,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 178 [2020-09-25 06:18:05,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:18:05,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0