/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=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 10:55:04,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:55:04,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:55:04,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:55:04,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:55:04,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:55:04,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:55:04,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:55:04,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:55:04,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:55:04,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:55:04,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:55:04,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:55:04,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:55:04,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:55:04,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:55:04,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:55:04,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:55:04,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:55:04,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:55:04,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:55:04,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:55:04,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:55:04,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:55:04,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:55:04,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:55:04,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:55:04,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:55:04,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:55:04,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:55:04,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:55:04,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:55:04,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:55:04,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:55:04,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:55:04,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:55:04,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:55:04,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:55:04,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:55:04,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:55:04,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:55:04,871 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 10:55:04,914 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:55:04,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:55:04,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:55:04,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:55:04,917 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:55:04,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:55:04,917 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:55:04,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:55:04,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:55:04,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:55:04,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:55:04,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:55:04,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:55:04,920 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:55:04,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:55:04,920 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:55:04,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:55:04,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:55:04,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:55:04,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:55:04,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:55:04,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:55:04,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:55:04,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:55:04,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:55:04,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:55:04,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:55:04,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:55:04,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:55:04,923 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 10:55:05,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:55:05,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:55:05,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:55:05,392 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:55:05,393 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:55:05,395 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2020-09-25 10:55:05,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/edd313b85/0844090479e8438f84b1f39fabc93670/FLAGc888e9d51 [2020-09-25 10:55:06,141 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:55:06,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2020-09-25 10:55:06,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/edd313b85/0844090479e8438f84b1f39fabc93670/FLAGc888e9d51 [2020-09-25 10:55:06,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/edd313b85/0844090479e8438f84b1f39fabc93670 [2020-09-25 10:55:06,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:55:06,443 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:55:06,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:55:06,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:55:06,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:55:06,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:55:06" (1/1) ... [2020-09-25 10:55:06,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b9c226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:55:06, skipping insertion in model container [2020-09-25 10:55:06,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:55:06" (1/1) ... [2020-09-25 10:55:06,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:55:06,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:55:07,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:55:07,072 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:55:07,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:55:07,287 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:55:07,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:55:07 WrapperNode [2020-09-25 10:55:07,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:55:07,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:55:07,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:55:07,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:55:07,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:55:07" (1/1) ... [2020-09-25 10:55:07,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:55:07" (1/1) ... [2020-09-25 10:55:07,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:55:07" (1/1) ... [2020-09-25 10:55:07,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:55:07" (1/1) ... [2020-09-25 10:55:07,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:55:07" (1/1) ... [2020-09-25 10:55:07,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:55:07" (1/1) ... [2020-09-25 10:55:07,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:55:07" (1/1) ... [2020-09-25 10:55:07,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:55:07,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:55:07,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:55:07,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:55:07,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:55:07" (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 10:55:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:55:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:55:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 10:55:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 10:55:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 10:55:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 10:55:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 10:55:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 10:55:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 10:55:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 10:55:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 10:55:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 10:55:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 10:55:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 10:55:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 10:55:07,493 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 10:55:07,493 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 10:55:07,493 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 10:55:07,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 10:55:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 10:55:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 10:55:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 10:55:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 10:55:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 10:55:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 10:55:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 10:55:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 10:55:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 10:55:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 10:55:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:55:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 10:55:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 10:55:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 10:55:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 10:55:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 10:55:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 10:55:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 10:55:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 10:55:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 10:55:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 10:55:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 10:55:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 10:55:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:55:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:55:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 10:55:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 10:55:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 10:55:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 10:55:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 10:55:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 10:55:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 10:55:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 10:55:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:55:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:55:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 10:55:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:55:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:55:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:55:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:55:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 10:55:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:55:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 10:55:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 10:55:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:55:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 10:55:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 10:55:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:55:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 10:55:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 10:55:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 10:55:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 10:55:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 10:55:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 10:55:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 10:55:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 10:55:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 10:55:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 10:55:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 10:55:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 10:55:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 10:55:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 10:55:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 10:55:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 10:55:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 10:55:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 10:55:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 10:55:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 10:55:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 10:55:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 10:55:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 10:55:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 10:55:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 10:55:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:55:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 10:55:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 10:55:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:55:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:55:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:55:08,954 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:55:08,955 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 10:55:08,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:55:08 BoogieIcfgContainer [2020-09-25 10:55:08,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:55:08,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:55:08,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:55:08,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:55:08,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:55:06" (1/3) ... [2020-09-25 10:55:08,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45805c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:55:08, skipping insertion in model container [2020-09-25 10:55:08,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:55:07" (2/3) ... [2020-09-25 10:55:08,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45805c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:55:08, skipping insertion in model container [2020-09-25 10:55:08,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:55:08" (3/3) ... [2020-09-25 10:55:08,978 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2020-09-25 10:55:08,990 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:55:09,005 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:55:09,029 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:55:09,073 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:55:09,073 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:55:09,073 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:55:09,074 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:55:09,075 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:55:09,075 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:55:09,075 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:55:09,076 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:55:09,120 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states. [2020-09-25 10:55:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 10:55:09,160 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:55:09,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:55:09,164 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:55:09,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:55:09,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1512755977, now seen corresponding path program 1 times [2020-09-25 10:55:09,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:55:09,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1327897302] [2020-09-25 10:55:09,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:55:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:09,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:09,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:10,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:11,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:12,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:14,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:14,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 10:55:14,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 10:55:14,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 10:55:14,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:14,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:14,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:14,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 10:55:14,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-25 10:55:14,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-25 10:55:15,046 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:55:15,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:55:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:15,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:15,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:15,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:55:15,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:15,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-09-25 10:55:15,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:15,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:15,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 10:55:15,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:15,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:55:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:15,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:15,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:15,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:15,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:15,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:55:15,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:15,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:15,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:15,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:55:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:15,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:15,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:15,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:15,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:15,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:55:15,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:15,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:15,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:15,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:15,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:15,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:15,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:55:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:15,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:15,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:15,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:15,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:15,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:55:15,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:15,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:15,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:15,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:15,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:15,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:15,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:55:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:15,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:15,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:15,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:15,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:15,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:55:15,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:15,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:15,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:15,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:15,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:15,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:55:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:15,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:15,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:15,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:15,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:15,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 10:55:15,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:15,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:15,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:15,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:15,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:55:15,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:15,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 10:55:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:15,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:15,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:15,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:15,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:15,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:55:15,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:15,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:15,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:15,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:55:15,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:15,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:15,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 10:55:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:15,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:15,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:15,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:15,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:15,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:55:15,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:15,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:15,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:15,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:55:15,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:15,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:15,713 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 10:55:15,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1327897302] [2020-09-25 10:55:15,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:55:15,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 10:55:15,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469179198] [2020-09-25 10:55:15,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 10:55:15,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:55:15,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 10:55:15,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 10:55:15,757 INFO L87 Difference]: Start difference. First operand 341 states. Second operand 5 states. [2020-09-25 10:55:16,386 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:55:17,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:55:17,588 INFO L93 Difference]: Finished difference Result 544 states and 644 transitions. [2020-09-25 10:55:17,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 10:55:17,592 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 10:55:17,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:55:17,613 INFO L225 Difference]: With dead ends: 544 [2020-09-25 10:55:17,613 INFO L226 Difference]: Without dead ends: 339 [2020-09-25 10:55:17,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 10:55:17,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-09-25 10:55:17,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 290. [2020-09-25 10:55:17,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-09-25 10:55:17,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 317 transitions. [2020-09-25 10:55:17,763 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 317 transitions. Word has length 148 [2020-09-25 10:55:17,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:55:17,764 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 317 transitions. [2020-09-25 10:55:17,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 10:55:17,765 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 317 transitions. [2020-09-25 10:55:17,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-25 10:55:17,770 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:55:17,770 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] [2020-09-25 10:55:17,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:55:17,771 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:55:17,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:55:17,771 INFO L82 PathProgramCache]: Analyzing trace with hash -908618242, now seen corresponding path program 1 times [2020-09-25 10:55:17,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:55:17,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1078393595] [2020-09-25 10:55:17,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:55:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:17,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:18,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:18,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:18,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:18,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:22,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:22,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-25 10:55:22,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 10:55:22,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 10:55:22,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:22,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-25 10:55:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 10:55:22,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 10:55:22,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:23,266 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:55:23,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:55:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:23,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:23,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:23,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:55:23,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:23,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-09-25 10:55:23,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:23,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:23,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:23,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:23,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 10:55:23,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:23,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:55:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:23,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:23,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:23,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:23,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:23,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:23,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:23,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:23,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:23,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:23,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:23,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:23,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:55:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:23,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:23,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:23,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:23,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:23,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:23,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:23,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:23,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:23,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:23,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:55:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:23,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:23,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:23,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:23,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:23,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:55:23,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:23,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:23,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:23,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:23,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:23,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:23,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:55:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:23,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:23,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:23,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:23,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:23,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:55:23,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:23,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:23,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:23,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:23,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:23,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:23,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:55:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:23,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:23,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:23,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:23,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:23,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:55:23,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:23,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:23,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:23,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:23,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:55:23,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:23,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 10:55:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:23,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:23,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:23,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:23,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:23,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 10:55:23,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:55:23,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 10:55:23,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:23,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:23,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 10:55:23,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:55:23,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 10:55:23,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:23,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:23,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:23,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:23,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:23,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 10:55:23,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:55:23,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 10:55:23,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:23,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:23,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 10:55:23,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:55:23,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 10:55:23,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:23,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:23,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:23,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:23,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 10:55:23,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:23,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:55:23,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:23,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:23,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:55:23,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:55:23,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 10:55:23,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:23,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:23,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:23,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:23,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:23,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:23,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:23,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:23,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:23,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:23,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:23,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:23,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:23,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 10:55:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:23,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:23,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:23,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:23,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:23,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:23,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:23,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:23,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:23,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:55:23,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:23,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:23,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 10:55:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:23,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:23,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:23,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:23,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:23,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:23,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:23,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:23,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:23,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:55:23,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:23,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:23,876 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 10:55:23,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1078393595] [2020-09-25 10:55:23,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:55:23,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 10:55:23,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776174539] [2020-09-25 10:55:23,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 10:55:23,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:55:23,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 10:55:23,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 10:55:23,881 INFO L87 Difference]: Start difference. First operand 290 states and 317 transitions. Second operand 7 states. [2020-09-25 10:55:24,438 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:55:25,985 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:55:27,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:55:27,498 INFO L93 Difference]: Finished difference Result 693 states and 832 transitions. [2020-09-25 10:55:27,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 10:55:27,499 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2020-09-25 10:55:27,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:55:27,506 INFO L225 Difference]: With dead ends: 693 [2020-09-25 10:55:27,506 INFO L226 Difference]: Without dead ends: 518 [2020-09-25 10:55:27,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 10:55:27,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-09-25 10:55:27,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 429. [2020-09-25 10:55:27,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-09-25 10:55:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 478 transitions. [2020-09-25 10:55:27,622 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 478 transitions. Word has length 167 [2020-09-25 10:55:27,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:55:27,623 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 478 transitions. [2020-09-25 10:55:27,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 10:55:27,624 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 478 transitions. [2020-09-25 10:55:27,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-25 10:55:27,626 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:55:27,627 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, 1] [2020-09-25 10:55:27,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:55:27,627 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:55:27,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:55:27,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1056538629, now seen corresponding path program 1 times [2020-09-25 10:55:27,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:55:27,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747219651] [2020-09-25 10:55:27,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:55:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:27,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:27,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:28,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:29,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:29,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:29,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:29,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:32,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:32,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-09-25 10:55:32,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 10:55:32,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 10:55:32,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:32,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:32,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 10:55:32,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 10:55:32,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 10:55:32,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:33,134 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:55:33,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:55:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:33,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:33,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:33,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:55:33,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:33,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-09-25 10:55:33,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:33,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:33,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 10:55:33,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:33,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:55:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:33,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:33,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:33,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:33,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:33,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:55:33,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:33,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:33,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:33,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:33,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:33,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:33,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:55:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:33,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:33,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:33,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:33,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:33,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:55:33,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:33,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:33,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:33,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:33,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:33,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:55:33,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:55:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:33,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:33,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:33,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:33,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:33,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:55:33,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:33,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:33,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:33,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:33,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:33,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:33,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:55:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:33,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:33,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:33,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:33,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:33,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:55:33,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:33,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:33,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:33,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:33,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:33,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:33,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:55:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:33,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:33,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:33,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:33,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:33,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:55:33,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:33,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:33,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:33,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:33,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:55:33,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:33,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 10:55:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:33,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:33,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:33,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 10:55:33,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:33,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 10:55:33,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:33,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:33,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:33,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:33,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-25 10:55:33,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 10:55:33,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:33,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:33,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:33,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 10:55:33,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:33,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 10:55:33,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:33,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:33,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:33,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:33,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:33,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:33,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:33,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:33,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:33,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 10:55:33,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:33,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 10:55:33,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:33,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:33,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:33,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:33,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:33,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:33,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 10:55:33,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:33,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:55:33,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:33,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:33,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:33,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:33,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:33,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:33,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 10:55:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:33,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:33,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:33,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:55:33,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:33,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:55:33,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:33,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:33,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:33,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:33,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:33,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:55:33,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 10:55:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:33,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:33,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:33,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:33,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:33,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:33,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:33,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:33,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:33,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:33,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:33,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:55:33,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-25 10:55:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:33,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:33,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:33,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:33,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:33,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:55:33,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:33,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:33,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:55:33,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:33,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:33,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:33,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 10:55:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:33,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:33,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:33,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:33,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:33,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:33,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:33,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:33,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:55:33,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:33,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:33,905 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 10:55:33,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747219651] [2020-09-25 10:55:33,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:55:33,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 10:55:33,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260430954] [2020-09-25 10:55:33,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 10:55:33,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:55:33,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 10:55:33,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 10:55:33,913 INFO L87 Difference]: Start difference. First operand 429 states and 478 transitions. Second operand 10 states. [2020-09-25 10:55:34,654 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:55:36,468 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:55:36,808 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 10:55:37,177 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:55:37,558 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 10:55:37,886 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 10:55:38,365 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:55:38,694 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:55:39,040 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:55:41,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:55:41,007 INFO L93 Difference]: Finished difference Result 1136 states and 1371 transitions. [2020-09-25 10:55:41,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 10:55:41,009 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 191 [2020-09-25 10:55:41,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:55:41,015 INFO L225 Difference]: With dead ends: 1136 [2020-09-25 10:55:41,016 INFO L226 Difference]: Without dead ends: 787 [2020-09-25 10:55:41,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 10:55:41,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2020-09-25 10:55:41,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 670. [2020-09-25 10:55:41,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2020-09-25 10:55:41,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 744 transitions. [2020-09-25 10:55:41,145 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 744 transitions. Word has length 191 [2020-09-25 10:55:41,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:55:41,146 INFO L479 AbstractCegarLoop]: Abstraction has 670 states and 744 transitions. [2020-09-25 10:55:41,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 10:55:41,146 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 744 transitions. [2020-09-25 10:55:41,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-25 10:55:41,149 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:55:41,149 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:55:41,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 10:55:41,150 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:55:41,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:55:41,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1653437071, now seen corresponding path program 1 times [2020-09-25 10:55:41,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:55:41,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424548117] [2020-09-25 10:55:41,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:55:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:41,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:41,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:41,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:41,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:43,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:46,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:46,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-09-25 10:55:46,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 10:55:46,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-25 10:55:46,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:46,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:46,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-25 10:55:46,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 10:55:46,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-25 10:55:46,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:46,547 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:55:46,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:55:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:46,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:46,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:46,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:55:46,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:46,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-09-25 10:55:46,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:46,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:46,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:46,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:46,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 10:55:46,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:46,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:55:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:46,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:46,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:46,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:46,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:46,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:46,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:46,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:46,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:46,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:46,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:46,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:46,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:55:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:46,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:46,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:46,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:46,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:46,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:46,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:46,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:46,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:46,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:46,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:46,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:46,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:55:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:46,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:46,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:46,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:46,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:46,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:46,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:46,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:46,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:46,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:46,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:46,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:46,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:55:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:46,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:46,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:46,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:46,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:46,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:46,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:46,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:46,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:46,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:46,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:46,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:46,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:55:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:46,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:46,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:46,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:46,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:46,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:46,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:46,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:46,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:46,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:46,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:55:46,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:46,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 10:55:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:46,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:46,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:46,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:55:46,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:46,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:55:46,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:46,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:46,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:46,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:46,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:55:46,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:46,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 10:55:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:46,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:46,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:46,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:47,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:47,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:47,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 10:55:47,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:55:47,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-09-25 10:55:47,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:47,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:47,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 10:55:47,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:55:47,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 10:55:47,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:47,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:47,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:47,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:47,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:47,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 10:55:47,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:55:47,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-09-25 10:55:47,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:47,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:47,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 10:55:47,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:55:47,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 10:55:47,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:47,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:47,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:47,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:47,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 10:55:47,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:47,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 10:55:47,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:47,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:47,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:55:47,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:55:47,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-25 10:55:47,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:47,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:47,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:47,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:47,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 10:55:47,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:47,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 10:55:47,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:47,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:47,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:47,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:47,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 10:55:47,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:47,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 10:55:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:47,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:47,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:47,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:55:47,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:47,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:55:47,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:47,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:47,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:47,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:47,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:47,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:47,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 10:55:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:47,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:47,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:47,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:47,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:47,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:47,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:47,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:47,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:47,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 10:55:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:47,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:47,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:47,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:47,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:47,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:47,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:47,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:47,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:47,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:47,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:47,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:47,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-25 10:55:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:47,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:47,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:47,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:47,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:47,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:55:47,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:47,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:47,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:55:47,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:47,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:47,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:47,416 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 10:55:47,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1424548117] [2020-09-25 10:55:47,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:55:47,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 10:55:47,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58763831] [2020-09-25 10:55:47,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 10:55:47,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:55:47,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 10:55:47,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 10:55:47,419 INFO L87 Difference]: Start difference. First operand 670 states and 744 transitions. Second operand 11 states. [2020-09-25 10:55:48,055 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:55:49,717 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:55:49,994 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:55:50,288 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:55:50,602 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:55:50,948 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:55:51,288 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:55:51,605 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:55:51,969 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:55:53,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:55:53,716 INFO L93 Difference]: Finished difference Result 1403 states and 1643 transitions. [2020-09-25 10:55:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 10:55:53,717 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 205 [2020-09-25 10:55:53,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:55:53,725 INFO L225 Difference]: With dead ends: 1403 [2020-09-25 10:55:53,725 INFO L226 Difference]: Without dead ends: 848 [2020-09-25 10:55:53,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=270, Invalid=722, Unknown=0, NotChecked=0, Total=992 [2020-09-25 10:55:53,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2020-09-25 10:55:53,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 668. [2020-09-25 10:55:53,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 668 states. [2020-09-25 10:55:53,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 740 transitions. [2020-09-25 10:55:53,856 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 740 transitions. Word has length 205 [2020-09-25 10:55:53,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:55:53,857 INFO L479 AbstractCegarLoop]: Abstraction has 668 states and 740 transitions. [2020-09-25 10:55:53,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 10:55:53,857 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 740 transitions. [2020-09-25 10:55:53,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-09-25 10:55:53,860 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:55:53,861 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:55:53,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 10:55:53,861 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:55:53,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:55:53,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1429527280, now seen corresponding path program 1 times [2020-09-25 10:55:53,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:55:53,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1989978537] [2020-09-25 10:55:53,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:55:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:53,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:54,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking...