/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=0.3 --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_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:01:11,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:01:11,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:01:12,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:01:12,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:01:12,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:01:12,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:01:12,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:01:12,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:01:12,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:01:12,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:01:12,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:01:12,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:01:12,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:01:12,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:01:12,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:01:12,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:01:12,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:01:12,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:01:12,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:01:12,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:01:12,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:01:12,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:01:12,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:01:12,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:01:12,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:01:12,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:01:12,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:01:12,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:01:12,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:01:12,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:01:12,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:01:12,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:01:12,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:01:12,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:01:12,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:01:12,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:01:12,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:01:12,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:01:12,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:01:12,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:01:12,081 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 12:01:12,129 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:01:12,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:01:12,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:01:12,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:01:12,131 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:01:12,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:01:12,132 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:01:12,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:01:12,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:01:12,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:01:12,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:01:12,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:01:12,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:01:12,133 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:01:12,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:01:12,133 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:01:12,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:01:12,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:01:12,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:01:12,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:01:12,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:01:12,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:01:12,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:01:12,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:01:12,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:01:12,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:01:12,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:01:12,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:01:12,136 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:01:12,137 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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;log-additional-information=true; [2020-09-25 12:01:12,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:01:12,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:01:12,672 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:01:12,674 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:01:12,674 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:01:12,675 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product33.cil.c [2020-09-25 12:01:12,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2fd422005/4d6b99d0c99e44c5accae2867ad4ef03/FLAG96e53da31 [2020-09-25 12:01:13,395 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:01:13,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product33.cil.c [2020-09-25 12:01:13,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2fd422005/4d6b99d0c99e44c5accae2867ad4ef03/FLAG96e53da31 [2020-09-25 12:01:13,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2fd422005/4d6b99d0c99e44c5accae2867ad4ef03 [2020-09-25 12:01:13,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:01:13,672 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:01:13,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:01:13,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:01:13,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:01:13,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:01:13" (1/1) ... [2020-09-25 12:01:13,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:13, skipping insertion in model container [2020-09-25 12:01:13,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:01:13" (1/1) ... [2020-09-25 12:01:13,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:01:13,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:01:14,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:01:14,259 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:01:14,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:01:14,390 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:01:14,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14 WrapperNode [2020-09-25 12:01:14,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:01:14,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:01:14,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:01:14,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:01:14,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (1/1) ... [2020-09-25 12:01:14,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (1/1) ... [2020-09-25 12:01:14,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (1/1) ... [2020-09-25 12:01:14,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (1/1) ... [2020-09-25 12:01:14,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (1/1) ... [2020-09-25 12:01:14,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (1/1) ... [2020-09-25 12:01:14,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (1/1) ... [2020-09-25 12:01:14,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:01:14,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:01:14,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:01:14,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:01:14,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (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 12:01:14,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:01:14,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:01:14,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:01:14,639 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:01:14,640 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:01:14,640 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:01:14,640 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:01:14,641 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:01:14,641 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:01:14,642 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:01:14,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:01:14,642 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:01:14,642 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:01:14,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 12:01:14,643 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:01:14,643 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:01:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:01:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:01:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:01:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:01:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:01:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 12:01:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:01:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:01:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:01:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:01:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:01:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:01:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 12:01:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:01:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:01:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:01:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:01:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:01:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:01:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:01:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:01:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:01:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:01:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:01:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:01:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:01:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:01:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:01:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:01:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:01:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:01:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:01:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:01:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:01:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:01:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 12:01:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:01:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:01:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:01:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:01:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:01:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:01:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:01:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:01:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:01:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:01:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:01:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:01:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:01:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:01:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:01:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:01:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 12:01:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 12:01:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:01:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:01:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:01:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:01:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:01:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:01:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:01:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:01:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:01:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:01:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:01:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:01:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:01:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:01:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:01:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:01:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:01:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:01:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:01:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:01:15,816 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:01:15,816 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:01:15,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:01:15 BoogieIcfgContainer [2020-09-25 12:01:15,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:01:15,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:01:15,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:01:15,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:01:15,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:01:13" (1/3) ... [2020-09-25 12:01:15,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65731ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:01:15, skipping insertion in model container [2020-09-25 12:01:15,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (2/3) ... [2020-09-25 12:01:15,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65731ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:01:15, skipping insertion in model container [2020-09-25 12:01:15,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:01:15" (3/3) ... [2020-09-25 12:01:15,841 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product33.cil.c [2020-09-25 12:01:15,854 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:01:15,867 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:01:15,891 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:01:15,927 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:01:15,928 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:01:15,928 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:01:15,928 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:01:15,928 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:01:15,928 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:01:15,928 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:01:15,928 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:01:15,953 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2020-09-25 12:01:15,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 12:01:15,972 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:01:15,973 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 12:01:15,973 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:01:15,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:01:15,982 INFO L82 PathProgramCache]: Analyzing trace with hash -636857616, now seen corresponding path program 1 times [2020-09-25 12:01:15,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:01:15,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672442668] [2020-09-25 12:01:15,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:01:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:16,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:16,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:17,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:18,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:19,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:21,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:21,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 12:01:21,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:01:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5072 [2020-09-25 12:01:21,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:21,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:21,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:21,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 12:01:21,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 12:01:21,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 12:01:21,958 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:21,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:01:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:22,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:22,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:22,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:01:22,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:22,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-09-25 12:01:22,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:22,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 12:01:22,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:22,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:01:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:22,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:22,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:22,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:22,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:22,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:01:22,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:22,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:22,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:22,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:22,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:22,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:22,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:01:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:22,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:22,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:22,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:22,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:22,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:22,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:22,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:22,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:22,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:22,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:22,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:22,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:01:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:22,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:22,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:22,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:22,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:22,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:01:22,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:22,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:22,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:22,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:22,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:22,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:22,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:01:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:22,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:22,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:22,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:22,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:22,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:22,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:22,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:22,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:22,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:22,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:22,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:22,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:01:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:22,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:22,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:22,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:01:22,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:22,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:01:22,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:22,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:22,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:22,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:22,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:01:22,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:22,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:01:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:22,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:22,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:22,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:22,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:22,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:01:22,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:22,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:22,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:22,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:01:22,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:22,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:22,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 12:01:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:22,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:22,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:22,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:22,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:22,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:01:22,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:22,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:22,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:22,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:01:22,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:22,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:22,584 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 12:01:22,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672442668] [2020-09-25 12:01:22,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:01:22,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 12:01:22,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174424218] [2020-09-25 12:01:22,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 12:01:22,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:01:22,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 12:01:22,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 12:01:22,624 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 5 states. [2020-09-25 12:01:23,203 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:24,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:01:24,175 INFO L93 Difference]: Finished difference Result 432 states and 512 transitions. [2020-09-25 12:01:24,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 12:01:24,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 12:01:24,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:01:24,204 INFO L225 Difference]: With dead ends: 432 [2020-09-25 12:01:24,205 INFO L226 Difference]: Without dead ends: 281 [2020-09-25 12:01:24,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 12:01:24,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-09-25 12:01:24,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 236. [2020-09-25 12:01:24,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-09-25 12:01:24,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 254 transitions. [2020-09-25 12:01:24,349 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 254 transitions. Word has length 148 [2020-09-25 12:01:24,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:01:24,351 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 254 transitions. [2020-09-25 12:01:24,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 12:01:24,351 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 254 transitions. [2020-09-25 12:01:24,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 12:01:24,356 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:01:24,356 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] [2020-09-25 12:01:24,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:01:24,357 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:01:24,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:01:24,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1440775673, now seen corresponding path program 1 times [2020-09-25 12:01:24,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:01:24,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1669876525] [2020-09-25 12:01:24,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:01:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:24,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:24,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:24,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:28,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:28,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:29,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:29,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 12:01:29,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:01:29,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-25 12:01:29,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:29,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:29,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 12:01:29,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 12:01:29,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-25 12:01:29,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:01:29,895 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:29,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:01:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:29,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:01:30,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-09-25 12:01:30,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:30,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 12:01:30,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:30,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:01:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:30,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:30,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:30,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:30,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:30,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:01:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:30,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:01:30,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:30,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:30,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:01:30,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:01:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:30,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:01:30,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:30,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:30,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:01:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:30,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:30,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:30,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:30,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:30,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:01:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:01:30,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:30,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:30,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:01:30,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:30,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 12:01:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:01:30,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:01:30,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:30,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 12:01:30,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:30,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:30,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:30,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:30,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-09-25 12:01:30,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 12:01:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:30,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:01:30,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:01:30,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:30,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:01:30,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 12:01:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:30,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:30,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:30,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:01:30,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:30,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:30,521 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 12:01:30,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1669876525] [2020-09-25 12:01:30,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:01:30,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 12:01:30,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137500777] [2020-09-25 12:01:30,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 12:01:30,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:01:30,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 12:01:30,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:01:30,527 INFO L87 Difference]: Start difference. First operand 236 states and 254 transitions. Second operand 10 states. [2020-09-25 12:01:31,141 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:32,481 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:32,833 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:33,232 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:33,624 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 12:01:33,983 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:34,531 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:34,914 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:35,361 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:36,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:01:36,376 INFO L93 Difference]: Finished difference Result 587 states and 714 transitions. [2020-09-25 12:01:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 12:01:36,377 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-09-25 12:01:36,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:01:36,384 INFO L225 Difference]: With dead ends: 587 [2020-09-25 12:01:36,384 INFO L226 Difference]: Without dead ends: 448 [2020-09-25 12:01:36,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 12:01:36,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-09-25 12:01:36,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 329. [2020-09-25 12:01:36,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2020-09-25 12:01:36,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 360 transitions. [2020-09-25 12:01:36,458 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 360 transitions. Word has length 157 [2020-09-25 12:01:36,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:01:36,459 INFO L479 AbstractCegarLoop]: Abstraction has 329 states and 360 transitions. [2020-09-25 12:01:36,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 12:01:36,459 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 360 transitions. [2020-09-25 12:01:36,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-25 12:01:36,468 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:01:36,468 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] [2020-09-25 12:01:36,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:01:36,469 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:01:36,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:01:36,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1583780095, now seen corresponding path program 1 times [2020-09-25 12:01:36,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:01:36,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450251728] [2020-09-25 12:01:36,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:01:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:36,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:36,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:37,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:38,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:39,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:41,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:41,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-25 12:01:41,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:01:41,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-09-25 12:01:41,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:41,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:41,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 12:01:41,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 12:01:41,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-25 12:01:41,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:41,824 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:41,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:01:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:41,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:01:42,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-09-25 12:01:42,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:42,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:42,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 12:01:42,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:01:42,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:01:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:42,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:42,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:01:42,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:42,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:42,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:42,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:42,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:01:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:42,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:42,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:42,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:42,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:42,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:42,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:42,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:01:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:42,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:42,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:01:42,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:42,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:42,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:42,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:01:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:42,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:42,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:01:42,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:42,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:42,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:42,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:42,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:01:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:42,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:01:42,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:42,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:42,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:42,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:01:42,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:42,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:01:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:42,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:01:42,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:01:42,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:01:42,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:42,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 12:01:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:42,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:01:42,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:01:42,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:01:42,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:01:42,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:01:42,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:42,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:42,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:42,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:42,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:42,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:42,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:42,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:42,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 12:01:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:42,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:42,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:42,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:01:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:42,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:42,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 12:01:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:42,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:42,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:42,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:42,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:01:42,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:42,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:01:42,413 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 12:01:42,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450251728] [2020-09-25 12:01:42,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:01:42,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:01:42,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26356429] [2020-09-25 12:01:42,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:01:42,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:01:42,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:01:42,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:01:42,417 INFO L87 Difference]: Start difference. First operand 329 states and 360 transitions. Second operand 9 states. [2020-09-25 12:01:42,959 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:44,576 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:45,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:01:45,752 INFO L93 Difference]: Finished difference Result 917 states and 1109 transitions. [2020-09-25 12:01:45,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 12:01:45,752 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 171 [2020-09-25 12:01:45,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:01:45,760 INFO L225 Difference]: With dead ends: 917 [2020-09-25 12:01:45,760 INFO L226 Difference]: Without dead ends: 703 [2020-09-25 12:01:45,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-09-25 12:01:45,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2020-09-25 12:01:45,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 524. [2020-09-25 12:01:45,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-09-25 12:01:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 583 transitions. [2020-09-25 12:01:45,841 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 583 transitions. Word has length 171 [2020-09-25 12:01:45,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:01:45,842 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 583 transitions. [2020-09-25 12:01:45,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 12:01:45,842 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 583 transitions. [2020-09-25 12:01:45,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-09-25 12:01:45,845 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:01:45,846 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] [2020-09-25 12:01:45,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:01:45,846 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:01:45,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:01:45,846 INFO L82 PathProgramCache]: Analyzing trace with hash 320544540, now seen corresponding path program 1 times [2020-09-25 12:01:45,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:01:45,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1327141615] [2020-09-25 12:01:45,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:01:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:45,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:46,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:46,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:48,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:50,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:50,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-09-25 12:01:50,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:01:50,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 12:01:50,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:50,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:50,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:01:50,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 12:01:50,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-25 12:01:50,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:01:51,287 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:51,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:01:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:51,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:51,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:51,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:01:51,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:51,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-25 12:01:51,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:51,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:51,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:51,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:51,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:51,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:01:51,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:01:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:51,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:51,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:51,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:51,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:51,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:51,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:51,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:51,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:51,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:51,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:51,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:51,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:01:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:51,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:51,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:51,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:51,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:51,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:01:51,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:51,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:51,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:51,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:51,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:01:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:51,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:51,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:51,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:51,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:51,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:51,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:51,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:51,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:51,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:51,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:51,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:51,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:01:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:51,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:51,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:51,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:51,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:51,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:01:51,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:51,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:51,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:51,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:51,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:51,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:51,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:01:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:51,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:51,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:51,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:01:51,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:51,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:51,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:51,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:51,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:51,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:51,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 12:01:51,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:51,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:01:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:51,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:51,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:51,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:01:51,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:51,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:01:51,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:51,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:51,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:51,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:51,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:01:51,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:51,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 12:01:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:51,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:51,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:51,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 12:01:51,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:51,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 12:01:51,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:51,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:51,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:51,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:51,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 12:01:51,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:51,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:51,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:51,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:51,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:01:51,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:51,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:01:51,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:51,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:51,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:51,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:51,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:51,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:51,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:01:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:51,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:51,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:51,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:01:51,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:51,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:51,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:51,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:51,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:51,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:51,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:51,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:51,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:01:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:51,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:51,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:51,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:51,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:51,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:51,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:51,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:51,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:51,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:51,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:51,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:51,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-25 12:01:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:51,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:51,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:51,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:51,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:51,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:01:51,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:51,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:51,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:51,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:51,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:51,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:51,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 12:01:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:51,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:51,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:51,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:51,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:51,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:01:51,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:51,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:51,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:51,711 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 12:01:51,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1327141615] [2020-09-25 12:01:51,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:01:51,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 12:01:51,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445595529] [2020-09-25 12:01:51,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 12:01:51,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:01:51,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 12:01:51,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 12:01:51,715 INFO L87 Difference]: Start difference. First operand 524 states and 583 transitions. Second operand 7 states. [2020-09-25 12:01:52,226 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:01:54,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:01:54,410 INFO L93 Difference]: Finished difference Result 1270 states and 1602 transitions. [2020-09-25 12:01:54,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 12:01:54,411 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195 [2020-09-25 12:01:54,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:01:54,421 INFO L225 Difference]: With dead ends: 1270 [2020-09-25 12:01:54,422 INFO L226 Difference]: Without dead ends: 1267 [2020-09-25 12:01:54,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-09-25 12:01:54,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2020-09-25 12:01:54,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 775. [2020-09-25 12:01:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2020-09-25 12:01:54,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 904 transitions. [2020-09-25 12:01:54,543 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 904 transitions. Word has length 195 [2020-09-25 12:01:54,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:01:54,543 INFO L479 AbstractCegarLoop]: Abstraction has 775 states and 904 transitions. [2020-09-25 12:01:54,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 12:01:54,544 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 904 transitions. [2020-09-25 12:01:54,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-25 12:01:54,549 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:01:54,549 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:01:54,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 12:01:54,550 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:01:54,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:01:54,550 INFO L82 PathProgramCache]: Analyzing trace with hash -178901190, now seen corresponding path program 1 times [2020-09-25 12:01:54,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:01:54,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831560287] [2020-09-25 12:01:54,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:01:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:54,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:54,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:54,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:55,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:59,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-09-25 12:01:59,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:01:59,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 12:01:59,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:59,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:59,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:01:59,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 12:01:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 176 [2020-09-25 12:01:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:59,932 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:59,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:01:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:02:00,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-09-25 12:02:00,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 12:02:00,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:02:00,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:02:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:00,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:02:00,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:02:00,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:02:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:00,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:02:00,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:02:00,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:02:00,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:02:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:00,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:02:00,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:02:00,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:02:00,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:02:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:00,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:02:00,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:02:00,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:02:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:02:00,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:00,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:02:00,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:02:00,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:02:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:02:00,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:02:00,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:02:00,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:02:00,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 12:02:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 12:02:00,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:02:00,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-09-25 12:02:00,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:02:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:02:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 12:02:00,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:02:00,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 12:02:00,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:02:00,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-25 12:02:00,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-25 12:02:00,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:02:00,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:02:00,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:00,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:00,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:02:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:02:00,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:02:00,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:00,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:02:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:02:00,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:00,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:00,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:00,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-25 12:02:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:02:00,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 12:02:00,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 12:02:00,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:00,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:02:00,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:00,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 12:02:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:00,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:00,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:00,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:00,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-25 12:02:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:02:00,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:02:00,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:02:00,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:02:00,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:02:00,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:02:00,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-25 12:02:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:02:00,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:00,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:00,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 12:02:00,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:00,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:02:00,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:00,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:02:00,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:00,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:00,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 12:02:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:00,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:02:00,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:02:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:00,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-25 12:02:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:00,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:02:00,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:00,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:02:00,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:00,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:02:00,938 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-25 12:02:00,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831560287] [2020-09-25 12:02:00,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 12:02:00,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 12:02:00,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133346760] [2020-09-25 12:02:00,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 12:02:00,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:02:00,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 12:02:00,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:02:00,940 INFO L87 Difference]: Start difference. First operand 775 states and 904 transitions. Second operand 10 states. [2020-09-25 12:02:01,479 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189