/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:44:47,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:44:47,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:44:47,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:44:47,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:44:47,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:44:47,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:44:47,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:44:47,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:44:47,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:44:47,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:44:47,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:44:47,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:44:47,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:44:47,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:44:47,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:44:47,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:44:47,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:44:47,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:44:47,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:44:47,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:44:47,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:44:47,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:44:47,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:44:47,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:44:47,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:44:47,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:44:47,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:44:47,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:44:47,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:44:47,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:44:47,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:44:47,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:44:47,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:44:47,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:44:47,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:44:47,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:44:47,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:44:47,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:44:47,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:44:47,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:44:47,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 09:44:47,774 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:44:47,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:44:47,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:44:47,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:44:47,777 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:44:47,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:44:47,778 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:44:47,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:44:47,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:44:47,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:44:47,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:44:47,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:44:47,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:44:47,780 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:44:47,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:44:47,781 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:44:47,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:44:47,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:44:47,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:44:47,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:44:47,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:44:47,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:44:47,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:44:47,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:44:47,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:44:47,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:44:47,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:44:47,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:44:47,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:44:47,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 09:44:48,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:44:48,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:44:48,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:44:48,243 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:44:48,244 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:44:48,245 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2020-09-25 09:44:48,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/80e67ea31/d6a3488f82d446cd95307efcd3c12c7b/FLAGa3844562d [2020-09-25 09:44:48,938 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:44:48,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2020-09-25 09:44:48,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/80e67ea31/d6a3488f82d446cd95307efcd3c12c7b/FLAGa3844562d [2020-09-25 09:44:49,202 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/80e67ea31/d6a3488f82d446cd95307efcd3c12c7b [2020-09-25 09:44:49,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:44:49,220 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:44:49,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:44:49,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:44:49,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:44:49,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:44:49" (1/1) ... [2020-09-25 09:44:49,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ebe5ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:49, skipping insertion in model container [2020-09-25 09:44:49,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:44:49" (1/1) ... [2020-09-25 09:44:49,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:44:49,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:44:49,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:44:49,852 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:44:49,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:44:49,986 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:44:49,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:49 WrapperNode [2020-09-25 09:44:49,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:44:49,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:44:49,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:44:49,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:44:50,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:49" (1/1) ... [2020-09-25 09:44:50,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:49" (1/1) ... [2020-09-25 09:44:50,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:49" (1/1) ... [2020-09-25 09:44:50,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:49" (1/1) ... [2020-09-25 09:44:50,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:49" (1/1) ... [2020-09-25 09:44:50,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:49" (1/1) ... [2020-09-25 09:44:50,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:49" (1/1) ... [2020-09-25 09:44:50,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:44:50,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:44:50,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:44:50,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:44:50,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:44:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:44:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:44:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:44:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 09:44:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:44:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:44:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:44:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:44:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:44:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:44:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:44:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:44:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:44:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:44:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:44:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:44:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:44:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:44:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:44:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 09:44:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:44:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:44:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:44:50,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:44:50,231 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:44:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:44:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 09:44:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:44:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:44:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:44:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:44:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:44:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:44:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:44:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:44:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:44:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:44:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:44:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:44:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 09:44:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:44:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:44:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:44:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:44:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:44:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:44:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:44:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 09:44:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:44:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:44:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:44:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:44:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:44:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:44:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:44:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:44:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:44:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:44:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:44:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:44:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:44:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:44:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:44:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:44:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:44:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:44:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:44:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:44:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:44:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:44:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:44:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:44:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:44:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:44:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:44:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:44:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:44:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 09:44:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:44:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:44:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:44:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:44:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:44:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:44:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:44:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 09:44:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 09:44:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:44:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:44:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:44:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:44:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:44:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:44:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:44:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:44:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:44:51,440 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:44:51,441 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:44:51,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:44:51 BoogieIcfgContainer [2020-09-25 09:44:51,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:44:51,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:44:51,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:44:51,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:44:51,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:44:49" (1/3) ... [2020-09-25 09:44:51,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35854e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:44:51, skipping insertion in model container [2020-09-25 09:44:51,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:49" (2/3) ... [2020-09-25 09:44:51,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35854e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:44:51, skipping insertion in model container [2020-09-25 09:44:51,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:44:51" (3/3) ... [2020-09-25 09:44:51,459 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2020-09-25 09:44:51,472 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:44:51,484 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:44:51,508 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:44:51,545 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:44:51,545 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:44:51,545 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:44:51,545 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:44:51,546 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:44:51,546 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:44:51,546 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:44:51,546 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:44:51,578 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states. [2020-09-25 09:44:51,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 09:44:51,597 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:44:51,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:44:51,600 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:44:51,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:44:51,609 INFO L82 PathProgramCache]: Analyzing trace with hash 324352486, now seen corresponding path program 1 times [2020-09-25 09:44:51,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:44:51,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634262517] [2020-09-25 09:44:51,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:44:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:52,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:52,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:52,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:53,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:53,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:57,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:57,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 09:44:57,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:44:57,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 09:44:57,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:57,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:57,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:44:57,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 09:44:57,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-09-25 09:44:57,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-09-25 09:44:57,649 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:44:57,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:44:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:57,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:57,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:57,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:44:57,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:57,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-09-25 09:44:57,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:57,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:57,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:57,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 09:44:57,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:58,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:44:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:58,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:58,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:58,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:58,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:58,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:44:58,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:58,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:58,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:58,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:58,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:58,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:58,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:44:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:58,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:58,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:58,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:58,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:58,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:58,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:58,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:58,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:58,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:58,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:58,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:58,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:44:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:58,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:58,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:58,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:58,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:58,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:44:58,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:58,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:58,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:58,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:58,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:58,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:58,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:44:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:58,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:58,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:58,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:58,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:58,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:58,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:58,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:58,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:58,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:58,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:58,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:58,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:44:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:58,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:58,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:58,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:58,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:58,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:58,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:58,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:58,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:58,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:58,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:58,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:58,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 09:44:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:58,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:58,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:58,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:58,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:58,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:44:58,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:58,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:58,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:44:58,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:58,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:58,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:58,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:44:58,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634262517] [2020-09-25 09:44:58,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:44:58,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 09:44:58,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627818276] [2020-09-25 09:44:58,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 09:44:58,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:44:58,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 09:44:58,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 09:44:58,185 INFO L87 Difference]: Start difference. First operand 329 states. Second operand 8 states. [2020-09-25 09:44:58,774 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:45:00,079 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:00,441 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:45:00,794 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:01,191 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:45:01,515 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:02,557 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:45:02,892 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:03,303 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:45:04,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:45:04,447 INFO L93 Difference]: Finished difference Result 636 states and 786 transitions. [2020-09-25 09:45:04,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 09:45:04,453 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 09:45:04,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:45:04,482 INFO L225 Difference]: With dead ends: 636 [2020-09-25 09:45:04,482 INFO L226 Difference]: Without dead ends: 418 [2020-09-25 09:45:04,489 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 09:45:04,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-09-25 09:45:04,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 376. [2020-09-25 09:45:04,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-09-25 09:45:04,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 430 transitions. [2020-09-25 09:45:04,626 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 430 transitions. Word has length 142 [2020-09-25 09:45:04,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:45:04,627 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 430 transitions. [2020-09-25 09:45:04,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 09:45:04,628 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 430 transitions. [2020-09-25 09:45:04,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-25 09:45:04,633 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:45:04,633 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:45:04,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:45:04,634 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:45:04,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:45:04,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1842346287, now seen corresponding path program 1 times [2020-09-25 09:45:04,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:45:04,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1932271311] [2020-09-25 09:45:04,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:45:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:04,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:05,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:05,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-25 09:45:09,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:45:09,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 09:45:09,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 09:45:09,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 09:45:09,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-25 09:45:09,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:10,026 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:45:10,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:45:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:10,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:10,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:10,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:45:10,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:10,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-09-25 09:45:10,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:10,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:10,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:10,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:10,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 09:45:10,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:10,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:45:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:10,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:10,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:10,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:10,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:10,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:45:10,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:10,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:10,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:10,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:10,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:10,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:10,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:45:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:10,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:10,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:10,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:10,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:10,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:45:10,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:10,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:10,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:10,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:10,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:10,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:10,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:45:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:10,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:10,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:10,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:10,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:10,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:45:10,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:10,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:10,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:10,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:10,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:45:10,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:10,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:45:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:10,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:10,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:10,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:10,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:10,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:10,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:10,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:10,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:10,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:10,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 09:45:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:10,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:10,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:11,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:11,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:11,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 09:45:11,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:45:11,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 947 [2020-09-25 09:45:11,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:11,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:11,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:11,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:11,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 09:45:11,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:11,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:11,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:11,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:11,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:11,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:45:11,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:45:11,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-25 09:45:11,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:11,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:11,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:45:11,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 09:45:11,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:45:11,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:11,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:11,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:11,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:11,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:45:11,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:11,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 09:45:11,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:11,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:11,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:45:11,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:11,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:45:11,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:11,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:45:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:11,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:11,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:11,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:45:11,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:11,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:45:11,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:11,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:11,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:11,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:45:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:11,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:11,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:11,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:45:11,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:11,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 09:45:11,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:11,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:11,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:11,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 09:45:11,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:11,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:11,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:45:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:11,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:11,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:11,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:45:11,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:11,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:11,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:11,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:11,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:11,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:11,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:11,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:11,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:45:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:11,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:11,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:11,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:11,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:11,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:11,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:11,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:11,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:11,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:11,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:11,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:11,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:45:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:11,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:11,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:11,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:45:11,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:11,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:45:11,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:11,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:11,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:11,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:11,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:11,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:11,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 09:45:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:11,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:11,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:11,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:11,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:11,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:45:11,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:11,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:11,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:45:11,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:11,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:45:11,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:11,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 09:45:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:11,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:11,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:11,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:11,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:11,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:11,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:11,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:11,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:11,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:45:11,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:11,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 09:45:11,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1932271311] [2020-09-25 09:45:11,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:45:11,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 09:45:11,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20006330] [2020-09-25 09:45:11,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 09:45:11,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:45:11,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 09:45:11,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2020-09-25 09:45:11,923 INFO L87 Difference]: Start difference. First operand 376 states and 430 transitions. Second operand 14 states. [2020-09-25 09:45:12,474 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:45:13,508 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:13,852 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:45:14,239 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:14,648 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:45:14,975 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:15,545 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:45:15,871 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:16,213 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:16,584 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:45:16,928 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:45:17,325 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:45:17,646 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:45:18,027 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:45:18,386 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:45:18,991 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:45:19,327 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:45:19,708 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:45:20,057 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:20,428 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:45:20,741 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:23,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:45:23,141 INFO L93 Difference]: Finished difference Result 1039 states and 1377 transitions. [2020-09-25 09:45:23,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-25 09:45:23,143 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 212 [2020-09-25 09:45:23,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:45:23,151 INFO L225 Difference]: With dead ends: 1039 [2020-09-25 09:45:23,151 INFO L226 Difference]: Without dead ends: 727 [2020-09-25 09:45:23,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=210, Invalid=1050, Unknown=0, NotChecked=0, Total=1260 [2020-09-25 09:45:23,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2020-09-25 09:45:23,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 611. [2020-09-25 09:45:23,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-09-25 09:45:23,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 703 transitions. [2020-09-25 09:45:23,259 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 703 transitions. Word has length 212 [2020-09-25 09:45:23,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:45:23,260 INFO L479 AbstractCegarLoop]: Abstraction has 611 states and 703 transitions. [2020-09-25 09:45:23,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 09:45:23,260 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 703 transitions. [2020-09-25 09:45:23,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-09-25 09:45:23,264 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:45:23,265 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:45:23,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:45:23,266 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:45:23,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:45:23,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1273419928, now seen corresponding path program 1 times [2020-09-25 09:45:23,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:45:23,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1285656955] [2020-09-25 09:45:23,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:45:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:23,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:23,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:23,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:23,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:24,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:24,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:24,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:26,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:28,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:28,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 327 [2020-09-25 09:45:28,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 09:45:28,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-25 09:45:28,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:28,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:28,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 09:45:28,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 09:45:28,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:28,705 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:45:28,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:45:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:28,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:28,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:28,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:45:28,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:28,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-25 09:45:28,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:28,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:28,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:28,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:28,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 09:45:28,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:29,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:45:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:29,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:29,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:29,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:29,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:29,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:29,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:45:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:29,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:45:29,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:29,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:29,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:29,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:29,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:45:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:29,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:45:29,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:29,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:29,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:45:29,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:29,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:45:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:29,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:29,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:29,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:29,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:29,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:29,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:45:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:45:29,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:45:29,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:29,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:29,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:45:29,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:29,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 09:45:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 09:45:29,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:45:29,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:29,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 09:45:29,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 09:45:29,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:29,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:45:29,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:45:29,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:29,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:45:29,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:29,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:29,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:29,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:29,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:29,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:29,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:29,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 09:45:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 09:45:29,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:45:29,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 09:45:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:29,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:29,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:45:29,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:29,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:29,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:29,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:29,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:29,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:29,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:29,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 09:45:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 09:45:29,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:45:29,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-25 09:45:29,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:45:29,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 09:45:29,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:45:29,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:29,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:45:29,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 09:45:29,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:45:29,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 09:45:29,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:45:29,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:29,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:45:29,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 09:45:29,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:45:29,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:45:29,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:45:29,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:29,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:45:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:45:29,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:45:29,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:45:29,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:29,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:45:29,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:29,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:45:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:45:29,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:45:29,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:29,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 09:45:29,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:29,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:45:29,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:45:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:45:29,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:29,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:29,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:29,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:29,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:29,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:45:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:29,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:29,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:29,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:29,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:29,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:45:29,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:45:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:45:29,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:29,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:29,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:29,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:29,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:45:29,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-25 09:45:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:29,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:29,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:29,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:45:29,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:29,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:29,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-25 09:45:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:29,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:29,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:29,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:29,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:29,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:29,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:29,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:29,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:29,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:45:29,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:29,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:29,791 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-09-25 09:45:29,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1285656955] [2020-09-25 09:45:29,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 09:45:29,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-25 09:45:29,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570545517] [2020-09-25 09:45:29,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 09:45:29,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:45:29,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 09:45:29,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-25 09:45:29,794 INFO L87 Difference]: Start difference. First operand 611 states and 703 transitions. Second operand 12 states. [2020-09-25 09:45:30,373 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:45:31,652 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:31,886 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:45:32,148 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:32,471 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:45:32,765 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:34,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:45:34,704 INFO L93 Difference]: Finished difference Result 1348 states and 1714 transitions. [2020-09-25 09:45:34,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 09:45:34,705 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 266 [2020-09-25 09:45:34,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:45:34,716 INFO L225 Difference]: With dead ends: 1348 [2020-09-25 09:45:34,717 INFO L226 Difference]: Without dead ends: 847 [2020-09-25 09:45:34,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=139, Invalid=367, Unknown=0, NotChecked=0, Total=506 [2020-09-25 09:45:34,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2020-09-25 09:45:34,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 623. [2020-09-25 09:45:34,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2020-09-25 09:45:34,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 709 transitions. [2020-09-25 09:45:34,809 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 709 transitions. Word has length 266 [2020-09-25 09:45:34,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:45:34,810 INFO L479 AbstractCegarLoop]: Abstraction has 623 states and 709 transitions. [2020-09-25 09:45:34,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 09:45:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 709 transitions. [2020-09-25 09:45:34,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 09:45:34,814 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:45:34,814 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:45:34,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:45:34,815 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:45:34,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:45:34,815 INFO L82 PathProgramCache]: Analyzing trace with hash 682406909, now seen corresponding path program 1 times [2020-09-25 09:45:34,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:45:34,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1024255993] [2020-09-25 09:45:34,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:45:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:34,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:35,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking...