/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_spec5_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:55:50,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:55:50,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:55:50,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:55:50,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:55:50,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:55:50,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:55:50,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:55:50,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:55:50,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:55:50,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:55:50,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:55:50,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:55:50,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:55:50,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:55:50,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:55:50,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:55:50,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:55:50,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:55:50,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:55:50,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:55:50,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:55:50,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:55:50,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:55:50,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:55:50,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:55:50,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:55:50,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:55:50,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:55:50,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:55:50,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:55:50,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:55:50,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:55:50,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:55:50,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:55:50,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:55:50,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:55:50,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:55:50,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:55:50,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:55:50,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:55:50,224 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 09:55:50,251 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:55:50,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:55:50,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:55:50,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:55:50,253 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:55:50,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:55:50,254 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:55:50,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:55:50,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:55:50,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:55:50,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:55:50,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:55:50,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:55:50,255 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:55:50,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:55:50,255 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:55:50,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:55:50,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:55:50,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:55:50,256 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:55:50,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:55:50,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:55:50,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:55:50,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:55:50,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:55:50,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:55:50,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:55:50,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:55:50,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:55:50,258 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 09:55:50,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:55:50,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:55:50,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:55:50,740 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:55:50,742 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:55:50,743 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-09-25 09:55:50,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b0818ba06/28500bc6f4c943629555dc984d617e3d/FLAGe13bf5861 [2020-09-25 09:55:51,510 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:55:51,511 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-09-25 09:55:51,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b0818ba06/28500bc6f4c943629555dc984d617e3d/FLAGe13bf5861 [2020-09-25 09:55:51,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b0818ba06/28500bc6f4c943629555dc984d617e3d [2020-09-25 09:55:51,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:55:51,741 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:55:51,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:55:51,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:55:51,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:55:51,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:55:51" (1/1) ... [2020-09-25 09:55:51,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:51, skipping insertion in model container [2020-09-25 09:55:51,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:55:51" (1/1) ... [2020-09-25 09:55:51,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:55:51,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:55:52,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:55:52,333 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:55:52,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:55:52,520 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:55:52,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:52 WrapperNode [2020-09-25 09:55:52,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:55:52,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:55:52,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:55:52,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:55:52,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:52" (1/1) ... [2020-09-25 09:55:52,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:52" (1/1) ... [2020-09-25 09:55:52,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:52" (1/1) ... [2020-09-25 09:55:52,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:52" (1/1) ... [2020-09-25 09:55:52,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:52" (1/1) ... [2020-09-25 09:55:52,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:52" (1/1) ... [2020-09-25 09:55:52,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:52" (1/1) ... [2020-09-25 09:55:52,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:55:52,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:55:52,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:55:52,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:55:52,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:52" (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 09:55:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:55:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:55:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:55:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:55:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:55:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:55:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 09:55:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:55:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 09:55:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:55:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:55:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:55:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:55:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:55:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:55:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 09:55:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:55:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:55:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:55:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:55:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:55:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:55:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:55:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:55:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:55:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:55:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:55:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:55:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:55:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:55:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:55:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:55:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 09:55:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 09:55:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 09:55:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:55:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:55:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:55:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:55:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:55:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:55:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:55:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:55:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:55:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:55:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:55:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:55:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:55:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:55:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:55:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:55:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:55:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:55:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:55:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:55:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 09:55:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 09:55:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 09:55:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:55:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:55:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:55:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 09:55:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:55:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 09:55:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:55:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:55:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:55:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:55:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:55:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:55:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:55:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 09:55:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:55:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:55:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:55:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:55:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:55:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:55:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:55:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:55:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:55:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:55:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:55:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:55:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:55:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:55:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:55:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:55:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:55:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:55:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:55:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:55:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:55:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:55:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:55:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:55:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:55:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:55:54,096 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:55:54,096 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:55:54,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:55:54 BoogieIcfgContainer [2020-09-25 09:55:54,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:55:54,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:55:54,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:55:54,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:55:54,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:55:51" (1/3) ... [2020-09-25 09:55:54,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4521b090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:55:54, skipping insertion in model container [2020-09-25 09:55:54,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:52" (2/3) ... [2020-09-25 09:55:54,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4521b090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:55:54, skipping insertion in model container [2020-09-25 09:55:54,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:55:54" (3/3) ... [2020-09-25 09:55:54,117 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-09-25 09:55:54,127 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:55:54,138 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:55:54,159 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:55:54,192 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:55:54,192 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:55:54,193 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:55:54,193 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:55:54,193 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:55:54,193 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:55:54,193 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:55:54,193 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:55:54,225 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states. [2020-09-25 09:55:54,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 09:55:54,253 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:55:54,255 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] [2020-09-25 09:55:54,255 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:55:54,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:55:54,263 INFO L82 PathProgramCache]: Analyzing trace with hash 41211657, now seen corresponding path program 1 times [2020-09-25 09:55:54,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:55:54,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [825571252] [2020-09-25 09:55:54,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:55:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:54,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:55,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:59,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:59,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:59,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 09:55:59,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:55:59,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 09:55:59,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:59,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:59,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:55:59,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 09:55:59,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 09:55:59,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-09-25 09:56:00,358 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:00,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:00,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:00,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:00,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:00,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:00,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-09-25 09:56:00,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:00,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 09:56:00,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:00,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:00,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:00,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:00,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:00,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:00,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:56:00,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:00,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:00,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:00,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:00,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:00,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:00,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:00,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:00,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:00,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:00,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:00,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:00,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:00,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:00,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:00,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:00,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:00,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:00,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:00,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:00,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:00,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:00,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:00,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:56:00,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:00,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:00,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:00,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:00,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:00,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:00,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:00,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:00,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:00,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:00,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:00,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:00,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:00,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:00,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:00,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:00,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:00,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:00,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:00,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:00,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:00,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:00,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:00,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:00,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:56:00,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:00,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:56:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:00,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:00,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:00,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:00,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:00,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 09:56:00,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:00,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:00,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:00,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:00,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:56:00,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:00,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:00,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:00,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:00,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:00,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:00,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:00,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:00,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:00,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:00,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:00,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:00,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:00,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 09:56:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:00,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:00,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:00,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:00,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:00,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:56:00,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:00,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:00,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:00,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:00,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:00,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 09:56:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:00,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:00,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:00,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:00,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:00,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:56:00,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:00,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:00,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:01,088 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 09:56:01,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [825571252] [2020-09-25 09:56:01,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:56:01,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:56:01,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669462656] [2020-09-25 09:56:01,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:56:01,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:01,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:56:01,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:56:01,128 INFO L87 Difference]: Start difference. First operand 334 states. Second operand 9 states. [2020-09-25 09:56:01,824 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:02,588 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:03,163 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 09:56:04,777 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:05,098 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:56:05,499 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:06,184 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:06,507 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:56:06,815 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:07,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:56:07,441 INFO L93 Difference]: Finished difference Result 652 states and 790 transitions. [2020-09-25 09:56:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 09:56:07,444 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 09:56:07,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:56:07,466 INFO L225 Difference]: With dead ends: 652 [2020-09-25 09:56:07,466 INFO L226 Difference]: Without dead ends: 442 [2020-09-25 09:56:07,473 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 09:56:07,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-09-25 09:56:07,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 393. [2020-09-25 09:56:07,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-09-25 09:56:07,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 440 transitions. [2020-09-25 09:56:07,622 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 440 transitions. Word has length 160 [2020-09-25 09:56:07,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:56:07,623 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 440 transitions. [2020-09-25 09:56:07,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:56:07,624 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 440 transitions. [2020-09-25 09:56:07,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-25 09:56:07,630 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:56:07,630 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, 1, 1, 1, 1] [2020-09-25 09:56:07,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:56:07,631 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:56:07,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:56:07,632 INFO L82 PathProgramCache]: Analyzing trace with hash 902461611, now seen corresponding path program 1 times [2020-09-25 09:56:07,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:56:07,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [291851208] [2020-09-25 09:56:07,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:56:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:07,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:07,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:10,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:10,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 09:56:10,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:56:10,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2320 [2020-09-25 09:56:10,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:10,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:10,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:56:10,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 09:56:10,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:10,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:10,377 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:10,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:10,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:10,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:10,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:10,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:10,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-25 09:56:10,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:10,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:10,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:10,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:10,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:10,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:10,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:10,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:10,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:10,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:10,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:10,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:10,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:10,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:10,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:10,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:10,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:10,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:10,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:10,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:10,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:10,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:10,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:10,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:10,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:10,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:10,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:10,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:10,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:10,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:10,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:10,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:10,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:10,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:10,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:10,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:56:10,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:10,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:10,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:10,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:10,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:10,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:10,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:10,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:10,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:10,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:10,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:10,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:10,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:10,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:10,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:10,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:10,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:10,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:10,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:10,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:10,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:10,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:10,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:10,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:10,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:10,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:10,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:10,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:10,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 09:56:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:10,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:10,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:10,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:10,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:10,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:10,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:10,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:10,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:10,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:10,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:10,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:10,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:10,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:10,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:10,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:10,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:10,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:10,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:10,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:10,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:10,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:10,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:10,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:10,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 09:56:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:10,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:10,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:10,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 09:56:10,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:10,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 09:56:10,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:10,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:10,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:56:10,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 09:56:10,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:10,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:10,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:10,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:10,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:10,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:56:10,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:10,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 09:56:10,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:10,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:56:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 09:56:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:10,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:10,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:10,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:10,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:10,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:56:10,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:10,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 09:56:10,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:10,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:10,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:10,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:10,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:56:10,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:11,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:56:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:11,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:11,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:11,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:56:11,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:11,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:11,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:11,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:11,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:11,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:56:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:11,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:11,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:11,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:56:11,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:11,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:56:11,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:11,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 09:56:11,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:11,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:11,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:56:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:11,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:11,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:11,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:56:11,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:11,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:11,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:11,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:11,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:11,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:11,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:11,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:11,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:56:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:11,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:11,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:11,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:11,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:11,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:11,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:11,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:11,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:11,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:11,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:11,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:11,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:56:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:11,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:11,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:11,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:11,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:11,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:11,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:11,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:11,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:11,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:11,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:11,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:11,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 09:56:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:11,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:11,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:11,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:11,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:11,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:11,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:11,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:11,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:11,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:11,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:11,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:11,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-25 09:56:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:11,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:11,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:11,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:11,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:11,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:11,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:11,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:11,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:11,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:11,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:11,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:11,235 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:56:11,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [291851208] [2020-09-25 09:56:11,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:56:11,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:56:11,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104279869] [2020-09-25 09:56:11,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:56:11,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:11,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:56:11,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:56:11,241 INFO L87 Difference]: Start difference. First operand 393 states and 440 transitions. Second operand 10 states. [2020-09-25 09:56:12,813 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:13,127 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:56:13,493 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:56:13,814 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:14,140 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:56:14,443 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:15,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:56:15,572 INFO L93 Difference]: Finished difference Result 769 states and 936 transitions. [2020-09-25 09:56:15,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 09:56:15,580 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 221 [2020-09-25 09:56:15,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:56:15,595 INFO L225 Difference]: With dead ends: 769 [2020-09-25 09:56:15,595 INFO L226 Difference]: Without dead ends: 491 [2020-09-25 09:56:15,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 09:56:15,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-09-25 09:56:15,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 410. [2020-09-25 09:56:15,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-09-25 09:56:15,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 463 transitions. [2020-09-25 09:56:15,706 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 463 transitions. Word has length 221 [2020-09-25 09:56:15,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:56:15,708 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 463 transitions. [2020-09-25 09:56:15,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:56:15,708 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 463 transitions. [2020-09-25 09:56:15,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 09:56:15,713 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:56:15,714 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:56:15,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:56:15,714 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:56:15,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:56:15,714 INFO L82 PathProgramCache]: Analyzing trace with hash 880367573, now seen corresponding path program 1 times [2020-09-25 09:56:15,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:56:15,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1053337953] [2020-09-25 09:56:15,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:56:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:15,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:16,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:16,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 09:56:16,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:16,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 860 [2020-09-25 09:56:16,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:16,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:16,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:16,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-25 09:56:16,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:56:16,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:16,907 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:16,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:16,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:17,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 09:56:17,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:17,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:17,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:17,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:17,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:17,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:17,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:17,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:17,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:17,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:17,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:17,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:17,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:17,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:17,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:17,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:17,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:17,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:17,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:17,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:17,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:17,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:17,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:17,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:56:17,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:17,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:17,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:17,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:17,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:17,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:17,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:17,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:17,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:17,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 09:56:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:17,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:17,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:17,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:17,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:17,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:17,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:17,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:17,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:17,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:17,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:17,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:17,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 09:56:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:17,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 09:56:17,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 09:56:17,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:17,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 09:56:17,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:56:17,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:17,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:56:17,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-25 09:56:17,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:17,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 09:56:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:56:17,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:17,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:56:17,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 09:56:17,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:17,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:56:17,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:56:17,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:56:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:17,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:56:17,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:56:17,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:56:17,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:17,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:17,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:56:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:17,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:56:17,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:56:17,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:17,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 09:56:17,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:17,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:56:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:17,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:56:17,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:17,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:17,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:17,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:17,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:56:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:17,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:17,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:17,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:17,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:56:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:17,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:17,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:17,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:17,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:17,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:17,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 09:56:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:17,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:17,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:17,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:17,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:17,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:17,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 09:56:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:17,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:17,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:17,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:17,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:17,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:17,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:17,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:17,627 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:56:17,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1053337953] [2020-09-25 09:56:17,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:56:17,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:56:17,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095662674] [2020-09-25 09:56:17,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:56:17,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:17,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:56:17,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:56:17,631 INFO L87 Difference]: Start difference. First operand 410 states and 463 transitions. Second operand 9 states. [2020-09-25 09:56:19,094 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:19,421 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:56:19,784 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:20,144 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:56:20,480 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:21,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:56:21,506 INFO L93 Difference]: Finished difference Result 795 states and 968 transitions. [2020-09-25 09:56:21,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 09:56:21,516 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 230 [2020-09-25 09:56:21,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:56:21,524 INFO L225 Difference]: With dead ends: 795 [2020-09-25 09:56:21,524 INFO L226 Difference]: Without dead ends: 500 [2020-09-25 09:56:21,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 09:56:21,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2020-09-25 09:56:21,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 416. [2020-09-25 09:56:21,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-09-25 09:56:21,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 469 transitions. [2020-09-25 09:56:21,591 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 469 transitions. Word has length 230 [2020-09-25 09:56:21,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:56:21,592 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 469 transitions. [2020-09-25 09:56:21,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:56:21,592 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 469 transitions. [2020-09-25 09:56:21,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 09:56:21,596 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:56:21,597 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:56:21,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:56:21,597 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:56:21,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:56:21,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1607472850, now seen corresponding path program 1 times [2020-09-25 09:56:21,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:56:21,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1242799347] [2020-09-25 09:56:21,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:56:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:21,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 09:56:23,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1524 [2020-09-25 09:56:23,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 09:56:23,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 09:56:23,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 09:56:23,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:23,513 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:23,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:23,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-09-25 09:56:23,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:23,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:23,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 09:56:23,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:23,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:23,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:23,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:23,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:23,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:23,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:23,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:23,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:23,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:23,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:23,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:23,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:56:23,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:23,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:23,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:23,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:23,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:23,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:23,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:23,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:23,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:23,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:23,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:23,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:23,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:56:23,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:23,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 09:56:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:23,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:23,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:56:23,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:23,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:23,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:23,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:23,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:23,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:23,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:23,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 09:56:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:23,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 09:56:23,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:23,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 09:56:23,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:23,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:23,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:23,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 09:56:23,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 09:56:23,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:23,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:24,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:24,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:56:24,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:24,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 09:56:24,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:24,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:24,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:24,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:24,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 09:56:24,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:24,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:24,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:24,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:24,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:56:24,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:24,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:56:24,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:24,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:24,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:24,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:24,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:24,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:24,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:56:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:24,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:24,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:24,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:56:24,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:24,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:56:24,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:24,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:24,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:24,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:24,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 09:56:24,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 09:56:24,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:56:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:24,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:24,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:24,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:56:24,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:24,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 09:56:24,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:24,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:24,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:24,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:24,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 09:56:24,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:24,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:56:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:24,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:24,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:24,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:56:24,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:24,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:24,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:24,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:24,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:24,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:24,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:24,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:24,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:56:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:24,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:24,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:24,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:24,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:24,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:24,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:24,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:24,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:24,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:24,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:24,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:24,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:56:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:24,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:24,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:24,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:24,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:24,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:24,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:24,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:24,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:24,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:24,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:24,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:24,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 09:56:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:24,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:24,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:24,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:24,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:24,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:24,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:24,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:24,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:24,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 09:56:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:24,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:24,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:24,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:24,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:24,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:24,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:24,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:24,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:24,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:24,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:24,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:24,313 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:56:24,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1242799347] [2020-09-25 09:56:24,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:56:24,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 09:56:24,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217536864] [2020-09-25 09:56:24,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 09:56:24,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:24,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 09:56:24,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 09:56:24,318 INFO L87 Difference]: Start difference. First operand 416 states and 469 transitions. Second operand 7 states. [2020-09-25 09:56:25,020 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:25,918 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:28,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:56:28,635 INFO L93 Difference]: Finished difference Result 1120 states and 1386 transitions. [2020-09-25 09:56:28,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 09:56:28,635 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-09-25 09:56:28,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:56:28,642 INFO L225 Difference]: With dead ends: 1120 [2020-09-25 09:56:28,642 INFO L226 Difference]: Without dead ends: 808 [2020-09-25 09:56:28,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-25 09:56:28,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2020-09-25 09:56:28,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 718. [2020-09-25 09:56:28,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2020-09-25 09:56:28,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 838 transitions. [2020-09-25 09:56:28,809 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 838 transitions. Word has length 230 [2020-09-25 09:56:28,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:56:28,811 INFO L479 AbstractCegarLoop]: Abstraction has 718 states and 838 transitions. [2020-09-25 09:56:28,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 09:56:28,812 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 838 transitions. [2020-09-25 09:56:28,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-09-25 09:56:28,818 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:56:28,818 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:56:28,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 09:56:28,819 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:56:28,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:56:28,820 INFO L82 PathProgramCache]: Analyzing trace with hash 422319148, now seen corresponding path program 1 times [2020-09-25 09:56:28,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:56:28,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858449858] [2020-09-25 09:56:28,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:56:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:28,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:31,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:31,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:31,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:33,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:33,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 337 [2020-09-25 09:56:33,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 09:56:33,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 09:56:33,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:33,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-25 09:56:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 09:56:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 238 [2020-09-25 09:56:33,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:34,246 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:34,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:34,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:34,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:34,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:34,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:34,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-09-25 09:56:34,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:34,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:34,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:34,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:34,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 09:56:34,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:34,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:34,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:34,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:34,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:34,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:34,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:34,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:34,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:34,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:34,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:34,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:34,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:34,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:34,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:34,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:34,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:34,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:34,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:34,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:34,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:34,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:34,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:34,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:34,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:34,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:34,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:34,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:34,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:34,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:34,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:56:34,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:34,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:34,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:34,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:34,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:34,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:34,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:34,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:34,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:34,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:34,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:34,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:34,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:34,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:34,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:34,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:34,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:34,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:34,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:34,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:34,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:34,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:34,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:34,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:34,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:34,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:56:34,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:34,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 09:56:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:34,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:34,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:34,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:56:34,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:34,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 09:56:34,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:34,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:34,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:34,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:56:34,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:34,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:34,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 09:56:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:34,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:34,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:34,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:34,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 09:56:34,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:56:34,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-25 09:56:34,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:34,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:34,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:56:34,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:56:34,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 09:56:34,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:34,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:34,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:34,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:34,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:34,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:34,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:56:34,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:34,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:34,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:34,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:34,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:56:34,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:34,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:34,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:34,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:34,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:34,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:34,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:34,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:34,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:34,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:34,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 09:56:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:34,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:34,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:34,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:56:34,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:34,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:56:34,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:34,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:34,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:34,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:34,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:56:34,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:34,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:34,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:34,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:34,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:34,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:34,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:56:34,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:34,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:34,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:34,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:34,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:34,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:34,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-25 09:56:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:34,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:34,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:34,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:34,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:34,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:34,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:34,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:34,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:34,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:34,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:56:34,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:34,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:34,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:34,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:34,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:34,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:34,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:56:34,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:34,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:34,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:34,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:34,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:34,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:35,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 09:56:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:35,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:35,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:35,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 09:56:35,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:35,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 09:56:35,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:35,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 09:56:35,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:35,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:35,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:35,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:35,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:56:35,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:35,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 09:56:35,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:35,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:35,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:35,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:35,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:35,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:35,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:35,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:35,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:35,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:56:35,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:35,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:56:35,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:35,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:35,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:35,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:56:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:35,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:35,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:35,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:56:35,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:35,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:35,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:35,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:35,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:35,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:56:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:35,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:35,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:35,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:56:35,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:35,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:56:35,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:35,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:35,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:35,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:56:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:35,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:35,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:35,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:56:35,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:35,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:35,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:35,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:35,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:35,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:35,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:35,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:56:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:35,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:35,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:35,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:35,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:35,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:56:35,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:35,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:35,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:35,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:35,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:35,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:35,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:56:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:35,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:35,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:35,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:35,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:35,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:35,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:35,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:35,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:35,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:35,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:35,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:35,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-25 09:56:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:35,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:35,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:35,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:35,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:35,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:56:35,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:35,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:35,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:35,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:35,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:35,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:35,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-09-25 09:56:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:35,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:35,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:35,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:35,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:35,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:56:35,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:35,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:35,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:35,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:35,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:35,308 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-25 09:56:35,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858449858] [2020-09-25 09:56:35,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 09:56:35,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-25 09:56:35,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617589611] [2020-09-25 09:56:35,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 09:56:35,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:35,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 09:56:35,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-09-25 09:56:35,312 INFO L87 Difference]: Start difference. First operand 718 states and 838 transitions. Second operand 14 states. [2020-09-25 09:56:35,827 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:36,704 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:37,533 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:37,864 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 09:56:38,284 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:38,906 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 09:56:39,219 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 192