/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=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 02:57:40,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 02:57:40,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 02:57:40,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 02:57:40,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 02:57:40,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 02:57:40,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 02:57:40,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 02:57:40,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 02:57:40,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 02:57:40,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 02:57:40,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 02:57:40,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 02:57:40,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 02:57:40,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 02:57:40,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 02:57:40,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 02:57:40,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 02:57:40,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 02:57:40,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 02:57:40,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 02:57:40,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 02:57:40,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 02:57:40,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 02:57:40,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 02:57:40,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 02:57:40,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 02:57:40,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 02:57:40,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 02:57:40,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 02:57:40,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 02:57:40,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 02:57:40,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 02:57:40,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 02:57:40,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 02:57:40,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 02:57:40,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 02:57:40,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 02:57:40,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 02:57:40,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 02:57:40,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 02:57:40,216 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 02:57:40,261 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 02:57:40,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 02:57:40,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 02:57:40,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 02:57:40,264 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 02:57:40,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 02:57:40,264 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 02:57:40,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 02:57:40,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 02:57:40,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 02:57:40,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 02:57:40,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 02:57:40,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 02:57:40,267 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 02:57:40,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 02:57:40,267 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 02:57:40,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 02:57:40,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 02:57:40,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 02:57:40,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 02:57:40,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 02:57:40,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:57:40,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 02:57:40,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 02:57:40,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 02:57:40,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 02:57:40,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 02:57:40,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 02:57:40,270 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 02:57:40,270 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true; [2020-09-25 02:57:40,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 02:57:40,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 02:57:40,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 02:57:40,756 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 02:57:40,756 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 02:57:40,757 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2020-09-25 02:57:40,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b45ac125/d18926520a05478d883860a95ebc5f3b/FLAG3034d9fa8 [2020-09-25 02:57:41,436 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 02:57:41,437 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2020-09-25 02:57:41,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b45ac125/d18926520a05478d883860a95ebc5f3b/FLAG3034d9fa8 [2020-09-25 02:57:41,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b45ac125/d18926520a05478d883860a95ebc5f3b [2020-09-25 02:57:41,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 02:57:41,727 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 02:57:41,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 02:57:41,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 02:57:41,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 02:57:41,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:57:41" (1/1) ... [2020-09-25 02:57:41,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:57:41, skipping insertion in model container [2020-09-25 02:57:41,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:57:41" (1/1) ... [2020-09-25 02:57:41,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 02:57:41,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 02:57:42,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:57:42,194 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 02:57:42,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:57:42,423 INFO L208 MainTranslator]: Completed translation [2020-09-25 02:57:42,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:57:42 WrapperNode [2020-09-25 02:57:42,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 02:57:42,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 02:57:42,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 02:57:42,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 02:57:42,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:57:42" (1/1) ... [2020-09-25 02:57:42,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:57:42" (1/1) ... [2020-09-25 02:57:42,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:57:42" (1/1) ... [2020-09-25 02:57:42,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:57:42" (1/1) ... [2020-09-25 02:57:42,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:57:42" (1/1) ... [2020-09-25 02:57:42,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:57:42" (1/1) ... [2020-09-25 02:57:42,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:57:42" (1/1) ... [2020-09-25 02:57:42,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 02:57:42,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 02:57:42,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 02:57:42,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 02:57:42,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:57:42" (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 02:57:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 02:57:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 02:57:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 02:57:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 02:57:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 02:57:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 02:57:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 02:57:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 02:57:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 02:57:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 02:57:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 02:57:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 02:57:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 02:57:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 02:57:42,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 02:57:42,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 02:57:42,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 02:57:42,638 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 02:57:42,638 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 02:57:42,639 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 02:57:42,639 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 02:57:42,639 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 02:57:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 02:57:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 02:57:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 02:57:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 02:57:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 02:57:42,641 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 02:57:42,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 02:57:42,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 02:57:42,641 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 02:57:42,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 02:57:42,642 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 02:57:42,642 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 02:57:42,642 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 02:57:42,642 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 02:57:42,642 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 02:57:42,642 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 02:57:42,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 02:57:42,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 02:57:42,643 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 02:57:42,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 02:57:42,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 02:57:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 02:57:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 02:57:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 02:57:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 02:57:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 02:57:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 02:57:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 02:57:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 02:57:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 02:57:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 02:57:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 02:57:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 02:57:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 02:57:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 02:57:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 02:57:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 02:57:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 02:57:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 02:57:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 02:57:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 02:57:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 02:57:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 02:57:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 02:57:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 02:57:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 02:57:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 02:57:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 02:57:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 02:57:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 02:57:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 02:57:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 02:57:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 02:57:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 02:57:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 02:57:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 02:57:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 02:57:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 02:57:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 02:57:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 02:57:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 02:57:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 02:57:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 02:57:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 02:57:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 02:57:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 02:57:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 02:57:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 02:57:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 02:57:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 02:57:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 02:57:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 02:57:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 02:57:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 02:57:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 02:57:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 02:57:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 02:57:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 02:57:43,939 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 02:57:43,940 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 02:57:43,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:57:43 BoogieIcfgContainer [2020-09-25 02:57:43,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 02:57:43,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 02:57:43,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 02:57:43,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 02:57:43,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:57:41" (1/3) ... [2020-09-25 02:57:43,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1773e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:57:43, skipping insertion in model container [2020-09-25 02:57:43,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:57:42" (2/3) ... [2020-09-25 02:57:43,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1773e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:57:43, skipping insertion in model container [2020-09-25 02:57:43,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:57:43" (3/3) ... [2020-09-25 02:57:43,957 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2020-09-25 02:57:43,968 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 02:57:43,980 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 02:57:44,002 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 02:57:44,035 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 02:57:44,036 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 02:57:44,036 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 02:57:44,036 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 02:57:44,036 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 02:57:44,036 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 02:57:44,036 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 02:57:44,037 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 02:57:44,065 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-09-25 02:57:44,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 02:57:44,083 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:57:44,085 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:57:44,085 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:57:44,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:57:44,093 INFO L82 PathProgramCache]: Analyzing trace with hash 425462913, now seen corresponding path program 1 times [2020-09-25 02:57:44,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:57:44,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732078612] [2020-09-25 02:57:44,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:57:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:44,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:44,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:45,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:46,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:47,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:49,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:49,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 02:57:49,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 02:57:49,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 02:57:49,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:49,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 02:57:49,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 02:57:49,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 02:57:49,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 02:57:49,964 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 02:57:49,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:57:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:50,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:50,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:50,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 02:57:50,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:50,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-09-25 02:57:50,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:50,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:57:50,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:50,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 02:57:50,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:50,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 02:57:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:50,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:50,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:50,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:57:50,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:50,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:57:50,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:50,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:57:50,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:50,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:57:50,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:50,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 02:57:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:50,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:50,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:50,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:57:50,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:50,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:57:50,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:57:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:50,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:57:50,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:50,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 02:57:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:50,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:50,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:50,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:57:50,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:50,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 02:57:50,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:57:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:57:50,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:50,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 02:57:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:50,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:50,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:50,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:57:50,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:50,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:57:50,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:50,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:57:50,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:50,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:57:50,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:50,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 02:57:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:50,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:50,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:50,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:57:50,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:50,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 02:57:50,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:50,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:57:50,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:50,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 02:57:50,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:50,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 02:57:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:50,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:50,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:50,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:57:50,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:50,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 02:57:50,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:57:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:57:50,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:50,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 02:57:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:50,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:50,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:50,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:57:50,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:50,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:57:50,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:50,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:50,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 02:57:50,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:50,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:50,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:57:50,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732078612] [2020-09-25 02:57:50,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:57:50,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 02:57:50,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118856987] [2020-09-25 02:57:50,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 02:57:50,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:57:50,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 02:57:50,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 02:57:50,684 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 9 states. [2020-09-25 02:57:51,318 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:52,621 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 02:57:53,235 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 02:57:53,625 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 02:57:54,001 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 02:57:54,324 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 02:57:55,134 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 02:57:55,489 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 02:57:56,040 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:57,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:57:57,875 INFO L93 Difference]: Finished difference Result 768 states and 926 transitions. [2020-09-25 02:57:57,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 02:57:57,878 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-25 02:57:57,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:57:57,902 INFO L225 Difference]: With dead ends: 768 [2020-09-25 02:57:57,902 INFO L226 Difference]: Without dead ends: 531 [2020-09-25 02:57:57,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2020-09-25 02:57:57,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2020-09-25 02:57:58,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 455. [2020-09-25 02:57:58,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-09-25 02:57:58,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 510 transitions. [2020-09-25 02:57:58,060 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 510 transitions. Word has length 148 [2020-09-25 02:57:58,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:57:58,061 INFO L479 AbstractCegarLoop]: Abstraction has 455 states and 510 transitions. [2020-09-25 02:57:58,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 02:57:58,062 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 510 transitions. [2020-09-25 02:57:58,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-25 02:57:58,098 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:57:58,098 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:57:58,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 02:57:58,099 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:57:58,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:57:58,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1885921087, now seen corresponding path program 1 times [2020-09-25 02:57:58,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:57:58,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1566712722] [2020-09-25 02:57:58,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:57:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:58,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:58,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:58,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:00,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:03,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:03,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-09-25 02:58:03,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 02:58:03,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 02:58:03,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:03,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 02:58:03,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 02:58:03,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-09-25 02:58:03,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:03,591 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 02:58:03,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:58:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:03,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:03,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:03,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 02:58:03,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:03,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-09-25 02:58:03,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:03,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:03,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 02:58:03,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:03,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 02:58:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:03,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:03,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:03,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:58:03,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:03,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:58:03,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:03,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:03,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:03,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:58:03,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:03,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 02:58:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:03,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:03,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:03,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:58:03,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:03,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:58:03,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:03,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:03,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:03,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:58:03,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:03,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 02:58:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:03,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:03,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:03,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:58:03,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:03,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 02:58:03,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:03,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:03,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:03,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:58:03,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:03,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 02:58:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:03,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:03,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:03,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:58:03,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:03,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:58:03,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:03,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:03,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:03,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:58:03,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:03,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 02:58:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:03,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:03,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:03,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:58:03,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:03,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:58:03,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:03,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:03,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:03,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 02:58:03,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:03,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 02:58:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:03,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:03,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:03,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:58:03,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:03,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:58:03,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:03,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:03,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:03,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 02:58:03,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:03,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 02:58:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:04,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:04,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:04,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:58:04,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:04,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:58:04,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:04,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:04,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:04,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:58:04,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:04,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 02:58:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:04,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:04,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:04,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:58:04,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:04,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 02:58:04,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:04,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:58:04,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:04,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:58:04,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:04,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:58:04,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1566712722] [2020-09-25 02:58:04,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:58:04,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 02:58:04,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431296278] [2020-09-25 02:58:04,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 02:58:04,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:58:04,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 02:58:04,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 02:58:04,097 INFO L87 Difference]: Start difference. First operand 455 states and 510 transitions. Second operand 10 states. [2020-09-25 02:58:04,620 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:58:05,883 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 02:58:06,196 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 02:58:06,556 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 02:58:06,900 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 02:58:07,248 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 02:58:08,604 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:58:08,914 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 02:58:09,284 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 02:58:10,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:58:10,214 INFO L93 Difference]: Finished difference Result 1094 states and 1325 transitions. [2020-09-25 02:58:10,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 02:58:10,215 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 163 [2020-09-25 02:58:10,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:58:10,223 INFO L225 Difference]: With dead ends: 1094 [2020-09-25 02:58:10,224 INFO L226 Difference]: Without dead ends: 754 [2020-09-25 02:58:10,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 02:58:10,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2020-09-25 02:58:10,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 644. [2020-09-25 02:58:10,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2020-09-25 02:58:10,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 731 transitions. [2020-09-25 02:58:10,318 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 731 transitions. Word has length 163 [2020-09-25 02:58:10,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:58:10,319 INFO L479 AbstractCegarLoop]: Abstraction has 644 states and 731 transitions. [2020-09-25 02:58:10,319 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 02:58:10,319 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 731 transitions. [2020-09-25 02:58:10,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-25 02:58:10,324 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:58:10,324 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2020-09-25 02:58:10,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 02:58:10,325 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:58:10,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:58:10,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1560503777, now seen corresponding path program 1 times [2020-09-25 02:58:10,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:58:10,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1170039463] [2020-09-25 02:58:10,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:58:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:10,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:10,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:10,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:10,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:10,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:11,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:15,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:15,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-25 02:58:15,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 02:58:15,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 02:58:15,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:15,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:15,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 02:58:15,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 02:58:15,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:15,809 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 02:58:15,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:58:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:15,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 02:58:16,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-09-25 02:58:16,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:16,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:16,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 02:58:16,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 02:58:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:58:16,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:58:16,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:16,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:16,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:58:16,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 02:58:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:58:16,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:58:16,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:16,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:16,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:58:16,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 02:58:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:58:16,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:58:16,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:16,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:16,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:58:16,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 02:58:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:58:16,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:58:16,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:16,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:16,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:58:16,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 02:58:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:58:16,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:58:16,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:16,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:16,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 02:58:16,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 02:58:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:58:16,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:58:16,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:16,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:16,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 02:58:16,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 02:58:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 02:58:16,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:58:16,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 02:58:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 02:58:16,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:58:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 02:58:16,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:58:16,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:16,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:16,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 02:58:16,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:58:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:58:16,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:58:16,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:58:16,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:16,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:58:16,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 02:58:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 02:58:16,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:58:16,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 02:58:16,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:58:16,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 02:58:16,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 02:58:16,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:58:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 02:58:16,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 02:58:16,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:58:16,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 02:58:16,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 02:58:16,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:58:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 02:58:16,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 02:58:16,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:58:16,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 02:58:16,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 02:58:16,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:58:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 02:58:16,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 02:58:16,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:58:16,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:16,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 02:58:16,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:16,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:58:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:58:16,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:58:16,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:58:16,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:16,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:58:16,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 02:58:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 02:58:16,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 02:58:16,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:58:16,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 02:58:16,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:58:16,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:16,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:58:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 02:58:16,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:58:16,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:58:16,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:16,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:58:16,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:16,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:58:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:58:16,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:58:16,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:58:16,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:16,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:58:16,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 02:58:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:58:16,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:58:16,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:58:16,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:16,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:58:16,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-25 02:58:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:58:16,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:58:16,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:58:16,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 02:58:16,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:58:16,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-09-25 02:58:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:16,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:16,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:16,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:58:16,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:16,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:58:16,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:16,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:58:16,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 02:58:16,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:58:16,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:16,878 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 02:58:16,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1170039463] [2020-09-25 02:58:16,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:58:16,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 02:58:16,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379223724] [2020-09-25 02:58:16,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 02:58:16,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:58:16,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 02:58:16,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-09-25 02:58:16,883 INFO L87 Difference]: Start difference. First operand 644 states and 731 transitions. Second operand 14 states. [2020-09-25 02:58:17,435 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:58:18,716 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 02:58:19,027 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 02:58:19,362 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-25 02:58:19,688 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 02:58:20,057 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 02:58:20,364 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 02:58:22,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:58:22,399 INFO L93 Difference]: Finished difference Result 1396 states and 1740 transitions. [2020-09-25 02:58:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 02:58:22,406 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 254 [2020-09-25 02:58:22,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:58:22,414 INFO L225 Difference]: With dead ends: 1396 [2020-09-25 02:58:22,414 INFO L226 Difference]: Without dead ends: 867 [2020-09-25 02:58:22,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=232, Invalid=638, Unknown=0, NotChecked=0, Total=870 [2020-09-25 02:58:22,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2020-09-25 02:58:22,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 672. [2020-09-25 02:58:22,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-09-25 02:58:22,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 763 transitions. [2020-09-25 02:58:22,537 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 763 transitions. Word has length 254 [2020-09-25 02:58:22,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:58:22,539 INFO L479 AbstractCegarLoop]: Abstraction has 672 states and 763 transitions. [2020-09-25 02:58:22,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 02:58:22,539 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 763 transitions. [2020-09-25 02:58:22,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-25 02:58:22,545 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:58:22,546 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] [2020-09-25 02:58:22,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 02:58:22,546 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:58:22,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:58:22,547 INFO L82 PathProgramCache]: Analyzing trace with hash 554046963, now seen corresponding path program 1 times [2020-09-25 02:58:22,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:58:22,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798375126] [2020-09-25 02:58:22,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:58:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:22,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:22,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:25,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:26,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:27,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:27,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-09-25 02:58:27,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 02:58:27,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-09-25 02:58:27,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:27,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 02:58:27,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 02:58:27,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-09-25 02:58:27,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:27,912 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 02:58:27,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:58:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:27,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 02:58:28,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:28,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 02:58:28,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:58:28,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:28,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:58:28,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:28,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 02:58:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:28,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:58:28,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:28,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:58:28,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:58:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:58:28,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:28,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 02:58:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:28,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:58:28,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:28,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:58:28,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:58:28,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:28,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:58:28,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:28,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 02:58:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:28,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:58:28,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:28,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:58:28,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:58:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:58:28,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:28,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 02:58:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:28,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:58:28,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:28,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:58:28,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:58:28,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:28,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:58:28,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:28,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 02:58:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:28,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:58:28,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:28,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:58:28,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:28,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:28,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 02:58:28,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:28,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 02:58:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:28,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:58:28,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:28,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:58:28,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 02:58:28,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:28,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 02:58:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:28,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 02:58:28,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:58:28,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-25 02:58:28,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:28,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:28,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-25 02:58:28,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:28,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:58:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:28,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 02:58:28,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:58:28,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 02:58:28,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:58:28,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 02:58:28,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:58:28,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:28,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:58:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:28,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 02:58:28,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:28,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-25 02:58:28,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:58:28,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 02:58:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:58:28,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:28,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:58:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:28,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 02:58:28,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:28,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 02:58:28,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:58:28,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 02:58:28,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:58:28,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:28,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:58:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:28,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:58:28,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:28,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:58:28,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 02:58:28,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:28,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:58:28,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:28,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 02:58:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:28,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 02:58:28,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:28,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 02:58:28,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:58:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 02:58:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:58:28,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:28,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:58:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:28,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 02:58:28,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:28,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:58:28,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:58:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:58:28,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:28,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:58:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:28,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:58:28,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:28,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:58:28,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:58:28,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:28,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:58:28,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:28,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 02:58:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:28,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:58:28,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:28,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:58:28,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:58:28,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:28,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:58:28,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:28,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-25 02:58:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:28,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:58:28,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:28,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:58:28,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:28,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:28,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:58:28,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:58:28,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-25 02:58:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:58:28,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:58:28,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:58:28,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:58:28,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:58:28,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:58:28,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:58:28,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:58:28,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:58:28,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:58:28,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:58:28,802 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 02:58:28,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798375126] [2020-09-25 02:58:28,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:58:28,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 02:58:28,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508748481] [2020-09-25 02:58:28,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 02:58:28,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:58:28,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 02:58:28,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 02:58:28,805 INFO L87 Difference]: Start difference. First operand 672 states and 763 transitions. Second operand 11 states. [2020-09-25 02:58:29,349 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:58:30,303 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 02:58:30,607 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 02:58:30,924 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 02:58:31,245 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 02:58:31,543 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192