/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --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_spec4_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:53:03,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:53:03,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:53:04,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:53:04,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:53:04,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:53:04,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:53:04,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:53:04,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:53:04,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:53:04,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:53:04,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:53:04,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:53:04,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:53:04,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:53:04,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:53:04,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:53:04,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:53:04,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:53:04,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:53:04,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:53:04,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:53:04,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:53:04,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:53:04,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:53:04,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:53:04,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:53:04,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:53:04,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:53:04,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:53:04,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:53:04,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:53:04,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:53:04,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:53:04,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:53:04,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:53:04,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:53:04,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:53:04,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:53:04,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:53:04,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:53:04,081 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 09:53:04,141 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:53:04,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:53:04,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:53:04,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:53:04,146 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:53:04,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:53:04,147 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:53:04,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:53:04,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:53:04,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:53:04,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:53:04,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:53:04,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:53:04,148 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:53:04,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:53:04,149 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:53:04,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:53:04,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:53:04,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:53:04,150 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:53:04,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:53:04,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:53:04,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:53:04,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:53:04,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:53:04,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:53:04,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:53:04,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:53:04,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:53:04,152 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 09:53:04,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:53:04,694 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:53:04,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:53:04,699 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:53:04,700 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:53:04,701 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2020-09-25 09:53:04,777 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e528b9719/2d06751c13ac42fea854f069923e6a02/FLAG7e79327d9 [2020-09-25 09:53:05,413 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:53:05,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2020-09-25 09:53:05,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e528b9719/2d06751c13ac42fea854f069923e6a02/FLAG7e79327d9 [2020-09-25 09:53:05,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e528b9719/2d06751c13ac42fea854f069923e6a02 [2020-09-25 09:53:05,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:53:05,699 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:53:05,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:53:05,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:53:05,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:53:05,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:53:05" (1/1) ... [2020-09-25 09:53:05,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c56d103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:05, skipping insertion in model container [2020-09-25 09:53:05,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:53:05" (1/1) ... [2020-09-25 09:53:05,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:53:05,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:53:06,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:53:06,197 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:53:06,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:53:06,455 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:53:06,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06 WrapperNode [2020-09-25 09:53:06,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:53:06,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:53:06,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:53:06,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:53:06,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (1/1) ... [2020-09-25 09:53:06,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (1/1) ... [2020-09-25 09:53:06,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (1/1) ... [2020-09-25 09:53:06,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (1/1) ... [2020-09-25 09:53:06,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (1/1) ... [2020-09-25 09:53:06,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (1/1) ... [2020-09-25 09:53:06,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (1/1) ... [2020-09-25 09:53:06,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:53:06,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:53:06,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:53:06,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:53:06,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (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 09:53:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:53:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:53:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:53:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:53:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:53:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:53:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:53:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:53:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:53:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:53:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:53:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 09:53:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:53:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:53:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:53:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:53:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:53:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:53:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:53:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:53:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:53:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:53:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:53:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:53:06,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:53:06,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:53:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:53:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 09:53:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:53:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:53:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:53:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:53:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:53:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 09:53:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:53:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:53:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:53:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:53:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:53:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:53:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:53:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:53:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:53:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:53:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:53:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:53:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:53:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:53:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:53:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:53:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:53:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 09:53:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:53:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:53:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:53:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:53:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:53:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:53:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:53:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:53:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:53:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:53:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:53:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:53:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:53:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:53:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:53:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 09:53:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:53:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:53:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:53:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:53:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 09:53:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:53:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:53:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:53:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:53:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:53:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:53:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:53:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:53:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:53:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:53:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:53:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:53:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:53:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:53:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:53:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:53:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:53:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:53:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:53:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:53:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:53:07,884 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:53:07,884 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:53:07,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:53:07 BoogieIcfgContainer [2020-09-25 09:53:07,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:53:07,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:53:07,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:53:07,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:53:07,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:53:05" (1/3) ... [2020-09-25 09:53:07,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324152ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:53:07, skipping insertion in model container [2020-09-25 09:53:07,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (2/3) ... [2020-09-25 09:53:07,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324152ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:53:07, skipping insertion in model container [2020-09-25 09:53:07,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:53:07" (3/3) ... [2020-09-25 09:53:07,903 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2020-09-25 09:53:07,915 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:53:07,927 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:53:07,951 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:53:07,986 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:53:07,986 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:53:07,986 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:53:07,987 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:53:07,987 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:53:07,987 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:53:07,987 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:53:07,987 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:53:08,030 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2020-09-25 09:53:08,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 09:53:08,048 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:53:08,050 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 09:53:08,050 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:53:08,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:53:08,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1194640378, now seen corresponding path program 1 times [2020-09-25 09:53:08,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:53:08,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1439785157] [2020-09-25 09:53:08,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:53:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:08,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:08,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:09,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:10,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:10,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:13,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:13,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 09:53:13,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:53:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 09:53:13,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:13,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:13,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:53:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 09:53:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 09:53:13,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-09-25 09:53:14,157 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:53:14,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:53:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:14,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:14,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:14,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:53:14,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:14,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 318 [2020-09-25 09:53:14,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:14,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:14,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:14,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:14,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 09:53:14,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:14,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:53:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:14,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:14,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:14,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:53:14,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:14,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:53:14,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:14,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:14,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:14,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:14,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:53:14,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:14,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:53:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:14,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:14,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:14,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:53:14,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:14,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:53:14,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:14,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:14,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:14,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:14,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:53:14,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:14,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:53:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:14,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:14,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:14,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:53:14,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:14,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 09:53:14,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:14,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:14,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:14,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:14,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:53:14,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:14,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:53:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:14,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:14,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:14,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:53:14,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:14,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:53:14,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:14,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:14,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:14,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:14,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:53:14,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:14,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:53:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:14,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:14,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:14,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:53:14,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:14,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:53:14,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:14,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:14,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:14,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:14,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:53:14,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:14,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 09:53:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:14,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:14,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:14,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:53:14,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:14,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 09:53:14,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:14,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:53:14,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:14,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:53:14,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:14,823 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 09:53:14,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1439785157] [2020-09-25 09:53:14,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:53:14,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 09:53:14,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587749832] [2020-09-25 09:53:14,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 09:53:14,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:53:14,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 09:53:14,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 09:53:14,859 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 8 states. [2020-09-25 09:53:15,554 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:53:16,871 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:53:17,220 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:53:17,513 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:53:17,830 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:53:18,181 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:53:18,878 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:53:19,193 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:53:19,602 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:53:20,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:53:20,973 INFO L93 Difference]: Finished difference Result 600 states and 746 transitions. [2020-09-25 09:53:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 09:53:20,982 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 09:53:20,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:53:21,008 INFO L225 Difference]: With dead ends: 600 [2020-09-25 09:53:21,009 INFO L226 Difference]: Without dead ends: 399 [2020-09-25 09:53:21,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 09:53:21,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-09-25 09:53:21,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 357. [2020-09-25 09:53:21,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-09-25 09:53:21,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 409 transitions. [2020-09-25 09:53:21,167 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 409 transitions. Word has length 142 [2020-09-25 09:53:21,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:53:21,168 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 409 transitions. [2020-09-25 09:53:21,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 09:53:21,168 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 409 transitions. [2020-09-25 09:53:21,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 09:53:21,174 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:53:21,174 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, 1] [2020-09-25 09:53:21,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:53:21,175 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:53:21,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:53:21,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1791967861, now seen corresponding path program 1 times [2020-09-25 09:53:21,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:53:21,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [147628905] [2020-09-25 09:53:21,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:53:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:21,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:21,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:26,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:26,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-09-25 09:53:26,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:53:26,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-09-25 09:53:26,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:26,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:26,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 09:53:26,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 09:53:26,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 09:53:26,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:26,629 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:53:26,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:53:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:26,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:26,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:26,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:53:26,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:26,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-09-25 09:53:26,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:26,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:26,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:26,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:26,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 09:53:26,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:26,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:53:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:26,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:26,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:26,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:53:26,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:26,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:53:26,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:26,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:26,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:26,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:26,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:53:26,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:26,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:53:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:26,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:26,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:26,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:53:26,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:26,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:53:26,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:26,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:26,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:26,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:26,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:53:26,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:26,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:53:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:26,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:26,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:26,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:53:26,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:26,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:53:26,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:26,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:26,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:26,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:26,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:53:26,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:26,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:53:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:26,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:27,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:27,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:53:27,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:27,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:53:27,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:27,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:53:27,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:27,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 09:53:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:27,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:27,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:27,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:27,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:53:27,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:53:27,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-09-25 09:53:27,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:27,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:27,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:27,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:27,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-25 09:53:27,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:27,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:53:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:27,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:27,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:27,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:27,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:53:27,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:53:27,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-25 09:53:27,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:27,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:27,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:53:27,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 09:53:27,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:53:27,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:27,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:53:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:27,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:27,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:27,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:53:27,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:27,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 09:53:27,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:27,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:27,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:53:27,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:27,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:53:27,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 09:53:27,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:53:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:27,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:27,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:27,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:53:27,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:27,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:53:27,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:27,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:53:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:53:27,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:27,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:53:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:27,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:27,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:27,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:53:27,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:27,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:53:27,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:27,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:27,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:53:27,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 09:53:27,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:53:27,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:27,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-25 09:53:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:27,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:27,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:27,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:53:27,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:27,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:53:27,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:27,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:27,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:53:27,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:27,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:53:27,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:53:27,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 09:53:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:27,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:27,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:27,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:53:27,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:27,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:53:27,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:27,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:27,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:53:27,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:53:27,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:53:27,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:27,493 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 09:53:27,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [147628905] [2020-09-25 09:53:27,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:53:27,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 09:53:27,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569304530] [2020-09-25 09:53:27,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 09:53:27,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:53:27,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 09:53:27,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2020-09-25 09:53:27,500 INFO L87 Difference]: Start difference. First operand 357 states and 409 transitions. Second operand 14 states. [2020-09-25 09:53:28,038 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:53:29,015 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:53:29,374 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:53:29,778 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:53:30,152 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:53:30,488 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:53:31,035 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:53:31,362 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:53:31,735 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:53:32,092 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:53:32,427 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:53:32,795 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:53:33,203 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:53:33,592 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:53:34,206 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:53:34,554 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:53:34,904 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:53:35,249 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:53:35,624 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:53:35,918 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:53:37,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:53:37,381 INFO L93 Difference]: Finished difference Result 887 states and 1145 transitions. [2020-09-25 09:53:37,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 09:53:37,383 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 190 [2020-09-25 09:53:37,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:53:37,392 INFO L225 Difference]: With dead ends: 887 [2020-09-25 09:53:37,393 INFO L226 Difference]: Without dead ends: 640 [2020-09-25 09:53:37,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=203, Invalid=987, Unknown=0, NotChecked=0, Total=1190 [2020-09-25 09:53:37,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2020-09-25 09:53:37,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 539. [2020-09-25 09:53:37,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2020-09-25 09:53:37,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 632 transitions. [2020-09-25 09:53:37,494 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 632 transitions. Word has length 190 [2020-09-25 09:53:37,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:53:37,495 INFO L479 AbstractCegarLoop]: Abstraction has 539 states and 632 transitions. [2020-09-25 09:53:37,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 09:53:37,495 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 632 transitions. [2020-09-25 09:53:37,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-09-25 09:53:37,502 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:53:37,502 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:53:37,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:53:37,503 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:53:37,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:53:37,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1941761769, now seen corresponding path program 1 times [2020-09-25 09:53:37,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:53:37,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618420877] [2020-09-25 09:53:37,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:53:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:37,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:37,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:37,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:38,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:38,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:38,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:42,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:42,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-09-25 09:53:42,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 09:53:42,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 09:53:42,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:42,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:42,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-25 09:53:42,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 09:53:42,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-09-25 09:53:42,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:42,926 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:53:42,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:53:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:42,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:53:43,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:43,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-09-25 09:53:43,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:43,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:43,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 09:53:43,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:43,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:53:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:53:43,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:43,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:53:43,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:43,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:43,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:53:43,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:43,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:53:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:53:43,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:43,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:53:43,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:43,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:43,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:53:43,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:43,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:53:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:53:43,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:43,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:53:43,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:43,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:43,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:53:43,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:43,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:53:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:53:43,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:43,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:53:43,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:43,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:43,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:53:43,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:43,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 09:53:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:53:43,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:43,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:53:43,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:53:43,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:53:43,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:53:43,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:43,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 09:53:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 09:53:43,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:43,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 09:53:43,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:53:43,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:53:43,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 09:53:43,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:43,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:53:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:53:43,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:43,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 09:53:43,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:43,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:43,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:53:43,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:43,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:53:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:53:43,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:43,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:53:43,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:53:43,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:43,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:53:43,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:43,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 09:53:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 09:53:43,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:43,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 09:53:43,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:53:43,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:53:43,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 09:53:43,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:53:43,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:53:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:53:43,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:43,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 09:53:43,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:43,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:43,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:53:43,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:43,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:53:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:53:43,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:43,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:53:43,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:53:43,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:43,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:53:43,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:43,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 09:53:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:53:43,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:53:43,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 09:53:43,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:43,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 09:53:43,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 09:53:43,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:53:43,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:53:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:53:43,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:53:43,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-25 09:53:43,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 09:53:43,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:43,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:53:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:53:43,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:53:43,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 09:53:43,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:53:43,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:43,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:53:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:53:43,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:43,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:53:43,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 09:53:43,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:53:43,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:53:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:53:43,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:43,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:53:43,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:43,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:43,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:53:43,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:43,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 09:53:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:53:43,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:43,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:53:43,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:53:43,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:53:43,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:53:43,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:43,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-25 09:53:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:43,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:53:43,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:43,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:53:43,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:43,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:53:43,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:53:43,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:53:43,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:44,102 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-09-25 09:53:44,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618420877] [2020-09-25 09:53:44,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 09:53:44,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 09:53:44,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048184352] [2020-09-25 09:53:44,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:53:44,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:53:44,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:53:44,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:53:44,106 INFO L87 Difference]: Start difference. First operand 539 states and 632 transitions. Second operand 10 states. [2020-09-25 09:53:44,595 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:53:45,451 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:53:47,064 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:53:47,713 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:53:51,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:53:51,620 INFO L93 Difference]: Finished difference Result 1830 states and 2603 transitions. [2020-09-25 09:53:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 09:53:51,621 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 244 [2020-09-25 09:53:51,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:53:51,636 INFO L225 Difference]: With dead ends: 1830 [2020-09-25 09:53:51,636 INFO L226 Difference]: Without dead ends: 1568 [2020-09-25 09:53:51,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 50 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=189, Invalid=681, Unknown=0, NotChecked=0, Total=870 [2020-09-25 09:53:51,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1568 states. [2020-09-25 09:53:51,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1568 to 1324. [2020-09-25 09:53:51,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1324 states. [2020-09-25 09:53:51,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 1715 transitions. [2020-09-25 09:53:51,874 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 1715 transitions. Word has length 244 [2020-09-25 09:53:51,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:53:51,875 INFO L479 AbstractCegarLoop]: Abstraction has 1324 states and 1715 transitions. [2020-09-25 09:53:51,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:53:51,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1715 transitions. [2020-09-25 09:53:51,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-09-25 09:53:51,879 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:53:51,880 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:53:51,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:53:51,880 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:53:51,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:53:51,881 INFO L82 PathProgramCache]: Analyzing trace with hash -448792521, now seen corresponding path program 1 times [2020-09-25 09:53:51,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:53:51,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1395657115] [2020-09-25 09:53:51,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:53:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:51,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:52,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:52,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:52,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:53,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:53,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:54,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking...