/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:39:37,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:39:37,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:39:37,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:39:37,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:39:37,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:39:37,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:39:37,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:39:37,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:39:37,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:39:37,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:39:37,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:39:37,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:39:37,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:39:37,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:39:37,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:39:37,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:39:37,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:39:37,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:39:37,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:39:37,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:39:37,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:39:37,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:39:37,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:39:37,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:39:37,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:39:37,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:39:37,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:39:37,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:39:37,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:39:37,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:39:37,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:39:37,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:39:37,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:39:37,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:39:37,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:39:37,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:39:37,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:39:37,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:39:37,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:39:37,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:39:37,238 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 07:39:37,281 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:39:37,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:39:37,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:39:37,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:39:37,284 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:39:37,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:39:37,285 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:39:37,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:39:37,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:39:37,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:39:37,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:39:37,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:39:37,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:39:37,287 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:39:37,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:39:37,288 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:39:37,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:39:37,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:39:37,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:39:37,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:39:37,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:39:37,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:39:37,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:39:37,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:39:37,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:39:37,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:39:37,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:39:37,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:39:37,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:39:37,290 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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-09-25 07:39:37,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:39:37,759 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:39:37,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:39:37,766 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:39:37,766 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:39:37,767 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-09-25 07:39:37,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b49f80ef2/b956ecea933441c79073ca037e3b948a/FLAG4eeb26c40 [2020-09-25 07:39:38,491 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:39:38,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-09-25 07:39:38,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b49f80ef2/b956ecea933441c79073ca037e3b948a/FLAG4eeb26c40 [2020-09-25 07:39:38,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b49f80ef2/b956ecea933441c79073ca037e3b948a [2020-09-25 07:39:38,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:39:38,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:39:38,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:39:38,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:39:38,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:39:38,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:39:38" (1/1) ... [2020-09-25 07:39:38,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694adced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:39:38, skipping insertion in model container [2020-09-25 07:39:38,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:39:38" (1/1) ... [2020-09-25 07:39:38,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:39:38,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:39:39,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:39:39,337 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:39:39,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:39:39,460 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:39:39,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:39:39 WrapperNode [2020-09-25 07:39:39,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:39:39,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:39:39,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:39:39,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:39:39,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:39:39" (1/1) ... [2020-09-25 07:39:39,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:39:39" (1/1) ... [2020-09-25 07:39:39,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:39:39" (1/1) ... [2020-09-25 07:39:39,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:39:39" (1/1) ... [2020-09-25 07:39:39,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:39:39" (1/1) ... [2020-09-25 07:39:39,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:39:39" (1/1) ... [2020-09-25 07:39:39,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:39:39" (1/1) ... [2020-09-25 07:39:39,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:39:39,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:39:39,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:39:39,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:39:39,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:39:39" (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 07:39:39,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:39:39,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:39:39,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 07:39:39,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 07:39:39,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 07:39:39,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 07:39:39,665 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 07:39:39,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 07:39:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 07:39:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 07:39:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 07:39:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 07:39:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 07:39:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 07:39:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 07:39:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 07:39:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 07:39:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 07:39:39,668 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 07:39:39,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 07:39:39,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 07:39:39,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 07:39:39,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 07:39:39,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 07:39:39,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 07:39:39,669 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 07:39:39,669 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 07:39:39,669 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 07:39:39,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 07:39:39,670 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 07:39:39,670 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:39:39,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 07:39:39,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 07:39:39,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 07:39:39,671 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 07:39:39,671 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 07:39:39,671 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 07:39:39,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 07:39:39,671 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 07:39:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 07:39:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 07:39:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:39:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:39:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 07:39:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 07:39:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 07:39:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 07:39:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 07:39:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 07:39:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 07:39:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 07:39:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 07:39:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 07:39:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 07:39:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 07:39:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 07:39:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 07:39:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 07:39:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 07:39:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 07:39:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 07:39:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 07:39:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 07:39:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 07:39:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 07:39:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 07:39:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:39:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 07:39:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:39:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:39:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 07:39:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:39:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:39:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:39:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:39:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 07:39:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:39:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 07:39:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 07:39:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:39:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 07:39:39,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 07:39:39,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 07:39:39,679 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 07:39:39,679 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 07:39:39,679 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 07:39:39,679 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 07:39:39,680 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 07:39:39,680 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 07:39:39,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 07:39:39,680 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 07:39:39,680 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:39:39,680 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 07:39:39,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:39:39,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:39:39,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:39:40,881 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:39:40,881 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 07:39:40,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:39:40 BoogieIcfgContainer [2020-09-25 07:39:40,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:39:40,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:39:40,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:39:40,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:39:40,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:39:38" (1/3) ... [2020-09-25 07:39:40,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d33187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:39:40, skipping insertion in model container [2020-09-25 07:39:40,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:39:39" (2/3) ... [2020-09-25 07:39:40,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d33187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:39:40, skipping insertion in model container [2020-09-25 07:39:40,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:39:40" (3/3) ... [2020-09-25 07:39:40,898 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2020-09-25 07:39:40,910 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:39:40,921 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:39:40,944 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:39:40,974 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:39:40,974 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:39:40,974 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:39:40,974 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:39:40,975 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:39:40,975 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:39:40,975 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:39:40,975 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:39:41,003 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2020-09-25 07:39:41,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 07:39:41,023 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:39:41,024 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:39:41,025 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:39:41,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:39:41,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1597638974, now seen corresponding path program 1 times [2020-09-25 07:39:41,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:39:41,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207112624] [2020-09-25 07:39:41,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:39:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:41,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:41,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:43,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:43,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:46,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:46,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 07:39:46,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:39:46,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-09-25 07:39:46,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:46,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:46,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:46,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 07:39:46,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:46,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 07:39:47,028 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:39:47,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:39:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:47,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:47,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:47,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:39:47,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:47,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-09-25 07:39:47,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:47,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:47,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:47,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:39:47,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:47,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:39:47,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:39:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:47,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:47,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:47,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:39:47,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:47,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:39:47,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:47,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:47,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:47,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:39:47,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:47,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:39:47,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:39:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:47,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:47,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:47,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:39:47,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:47,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:39:47,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:47,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:47,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:47,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:39:47,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:47,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:39:47,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:39:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:47,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:47,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:47,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:39:47,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:47,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 07:39:47,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:47,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:47,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:47,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:39:47,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:47,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:39:47,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:39:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:47,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:47,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:47,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:39:47,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:47,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:39:47,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:47,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:39:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:47,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:39:47,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:39:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:47,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:47,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:47,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:39:47,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:47,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:39:47,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:47,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:47,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:47,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:39:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:47,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:39:47,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 07:39:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:47,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:47,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:47,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:39:47,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:47,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:39:47,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:47,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 07:39:47,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:47,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:39:47,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:39:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:47,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:47,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:47,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:39:47,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:47,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:39:47,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:47,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:47,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:47,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:39:47,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:47,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:39:47,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 07:39:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:47,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:47,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:47,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:39:47,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:47,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:39:47,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:47,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:47,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:47,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:39:47,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:47,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:39:47,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 07:39:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:47,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:47,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:47,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:39:47,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:47,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:39:47,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:47,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:47,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:47,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:39:47,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:47,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 07:39:47,435 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 07:39:47,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207112624] [2020-09-25 07:39:47,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:39:47,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 07:39:47,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019157502] [2020-09-25 07:39:47,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 07:39:47,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:39:47,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 07:39:47,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:39:47,473 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 4 states. [2020-09-25 07:39:48,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:39:48,764 INFO L93 Difference]: Finished difference Result 468 states and 551 transitions. [2020-09-25 07:39:48,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 07:39:48,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 07:39:48,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:39:48,788 INFO L225 Difference]: With dead ends: 468 [2020-09-25 07:39:48,788 INFO L226 Difference]: Without dead ends: 300 [2020-09-25 07:39:48,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:39:48,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-09-25 07:39:48,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 253. [2020-09-25 07:39:48,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-09-25 07:39:48,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 274 transitions. [2020-09-25 07:39:48,911 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 274 transitions. Word has length 160 [2020-09-25 07:39:48,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:39:48,915 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 274 transitions. [2020-09-25 07:39:48,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 07:39:48,915 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 274 transitions. [2020-09-25 07:39:48,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 07:39:48,930 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:39:48,931 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] [2020-09-25 07:39:48,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:39:48,931 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:39:48,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:39:48,932 INFO L82 PathProgramCache]: Analyzing trace with hash 960468247, now seen corresponding path program 1 times [2020-09-25 07:39:48,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:39:48,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271577556] [2020-09-25 07:39:48,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:39:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:49,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:49,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:50,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:51,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:52,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:54,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:54,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 07:39:54,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:39:54,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5071 [2020-09-25 07:39:54,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:54,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:54,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:39:54,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 07:39:54,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:39:54,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:39:54,431 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:39:54,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:39:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:54,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:54,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:54,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:39:54,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:54,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 07:39:54,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:54,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:54,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:54,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:39:54,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:54,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:39:54,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:39:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:54,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:54,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:54,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:39:54,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:54,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:39:54,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:54,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:54,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:39:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:54,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:39:54,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:39:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:54,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:54,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:54,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:39:54,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:54,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:39:54,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:54,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:54,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:54,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:39:54,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:54,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:39:54,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:39:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:54,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:54,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:54,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:39:54,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:54,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:39:54,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:54,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:54,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:54,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:39:54,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:54,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:39:54,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:39:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:54,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:54,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:54,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:39:54,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:54,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:39:54,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:54,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:54,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:54,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:39:54,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:54,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:39:54,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:39:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:54,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:54,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:54,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:39:54,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:54,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:39:54,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:54,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:54,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:54,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:39:54,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:54,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:39:54,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:39:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:54,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:54,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:54,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:39:54,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:54,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:39:54,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:54,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:54,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:54,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 07:39:54,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:54,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:39:54,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:39:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:54,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:54,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:54,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:39:54,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:54,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:39:54,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:54,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:39:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:54,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:39:54,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 07:39:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:54,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:54,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:54,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:39:54,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:54,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:39:54,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:54,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:54,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:54,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:39:54,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:54,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:39:54,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 07:39:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:54,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:54,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:39:54,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:39:54,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:39:54,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:39:54,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:39:54,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:39:54,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:39:54,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:39:54,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:39:54,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:39:54,732 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 07:39:54,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271577556] [2020-09-25 07:39:54,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:39:54,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:39:54,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854147037] [2020-09-25 07:39:54,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:39:54,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:39:54,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:39:54,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:39:54,737 INFO L87 Difference]: Start difference. First operand 253 states and 274 transitions. Second operand 5 states. [2020-09-25 07:39:55,368 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:39:56,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:39:56,282 INFO L93 Difference]: Finished difference Result 384 states and 433 transitions. [2020-09-25 07:39:56,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:39:56,283 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 07:39:56,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:39:56,287 INFO L225 Difference]: With dead ends: 384 [2020-09-25 07:39:56,288 INFO L226 Difference]: Without dead ends: 289 [2020-09-25 07:39:56,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:39:56,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-09-25 07:39:56,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 243. [2020-09-25 07:39:56,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-25 07:39:56,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 261 transitions. [2020-09-25 07:39:56,396 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 261 transitions. Word has length 161 [2020-09-25 07:39:56,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:39:56,398 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 261 transitions. [2020-09-25 07:39:56,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:39:56,398 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 261 transitions. [2020-09-25 07:39:56,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 07:39:56,400 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:39:56,401 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] [2020-09-25 07:39:56,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:39:56,401 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:39:56,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:39:56,402 INFO L82 PathProgramCache]: Analyzing trace with hash 767215678, now seen corresponding path program 1 times [2020-09-25 07:39:56,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:39:56,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964173015] [2020-09-25 07:39:56,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:39:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:39:56,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:56,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:56,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:39:58,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:01,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:01,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 07:40:01,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:40:01,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-09-25 07:40:01,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:01,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:01,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:40:01,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 07:40:01,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 07:40:01,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:01,898 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:40:01,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:40:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:01,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:02,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:02,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:40:02,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:02,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 07:40:02,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:02,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:02,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:02,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:02,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:02,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:40:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:02,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:02,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:02,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:02,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:02,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:02,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:02,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:02,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:02,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:40:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:02,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:02,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:02,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:02,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:02,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:40:02,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:02,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:02,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:02,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:02,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:02,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:02,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:40:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:02,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:02,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:02,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:02,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:02,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:40:02,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:02,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:02,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:02,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:02,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:02,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:02,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:40:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:02,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:02,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:02,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:02,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:02,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:40:02,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:02,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:02,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:02,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:02,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:02,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:02,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:40:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:02,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:02,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:02,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:40:02,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:02,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:02,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:02,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:02,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:02,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:02,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:02,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:02,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 07:40:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:02,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:02,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:02,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:40:02,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:02,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:40:02,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:02,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:40:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:02,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:40:02,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:02,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 07:40:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:02,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:02,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:02,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:40:02,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:02,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 07:40:02,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:02,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:02,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:40:02,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:02,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 07:40:02,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:02,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:40:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:02,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:02,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:02,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:02,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:02,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:40:02,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:02,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:02,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:02,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:02,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:02,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:40:02,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 07:40:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:02,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:02,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:02,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:02,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:02,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:40:02,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:02,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:02,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:02,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:40:02,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:02,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:02,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 07:40:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:02,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:02,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:02,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:02,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:02,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 07:40:02,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:02,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:02,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:02,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:40:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:02,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:02,289 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 07:40:02,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964173015] [2020-09-25 07:40:02,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:40:02,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 07:40:02,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548987088] [2020-09-25 07:40:02,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 07:40:02,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:40:02,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 07:40:02,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 07:40:02,298 INFO L87 Difference]: Start difference. First operand 243 states and 261 transitions. Second operand 6 states. [2020-09-25 07:40:03,065 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:40:05,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:40:05,342 INFO L93 Difference]: Finished difference Result 573 states and 663 transitions. [2020-09-25 07:40:05,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 07:40:05,343 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 07:40:05,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:40:05,348 INFO L225 Difference]: With dead ends: 573 [2020-09-25 07:40:05,348 INFO L226 Difference]: Without dead ends: 445 [2020-09-25 07:40:05,350 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 07:40:05,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-09-25 07:40:05,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 355. [2020-09-25 07:40:05,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2020-09-25 07:40:05,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 390 transitions. [2020-09-25 07:40:05,442 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 390 transitions. Word has length 174 [2020-09-25 07:40:05,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:40:05,443 INFO L479 AbstractCegarLoop]: Abstraction has 355 states and 390 transitions. [2020-09-25 07:40:05,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 07:40:05,443 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 390 transitions. [2020-09-25 07:40:05,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 07:40:05,448 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:40:05,448 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] [2020-09-25 07:40:05,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:40:05,449 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:40:05,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:40:05,450 INFO L82 PathProgramCache]: Analyzing trace with hash -45205301, now seen corresponding path program 1 times [2020-09-25 07:40:05,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:40:05,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1240775991] [2020-09-25 07:40:05,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:40:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:05,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:05,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:06,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:08,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:10,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:10,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 07:40:10,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:40:10,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 07:40:10,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:10,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:10,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:40:10,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 07:40:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 07:40:10,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:10,975 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:40:10,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:40:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:10,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:11,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:11,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:40:11,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:11,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 07:40:11,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:11,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:11,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:11,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:40:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:11,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:11,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:11,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:11,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:11,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:11,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:11,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:11,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:11,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:11,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:11,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:11,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:40:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:11,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:11,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:11,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:11,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:11,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:11,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:11,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:11,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:11,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:11,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:11,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:11,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:40:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:11,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:11,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:11,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:11,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:11,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:40:11,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:11,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:11,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:11,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:11,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:11,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:11,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:40:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:11,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:11,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:11,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:11,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:11,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:11,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:11,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:11,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:11,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:11,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:11,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:11,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:40:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:11,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:11,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:11,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:40:11,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:11,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:11,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:11,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:11,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:11,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:11,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:11,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:11,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 07:40:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:11,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:11,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:11,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:40:11,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:11,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 07:40:11,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:11,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:11,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:40:11,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:11,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:40:11,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:11,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 07:40:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:11,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:11,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:11,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:40:11,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:11,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 07:40:11,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:11,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:11,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:40:11,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:11,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 07:40:11,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:11,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:40:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:11,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:11,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:11,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:11,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:11,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:11,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:11,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:11,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:11,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:11,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:11,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:11,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 07:40:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:11,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:11,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:11,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:11,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:11,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:40:11,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:11,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:11,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:40:11,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:11,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:40:11,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:11,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 07:40:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:11,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:11,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:11,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:11,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:11,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 07:40:11,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:11,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:11,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:40:11,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:11,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:40:11,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:11,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 07:40:11,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1240775991] [2020-09-25 07:40:11,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:40:11,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 07:40:11,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521595181] [2020-09-25 07:40:11,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 07:40:11,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:40:11,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 07:40:11,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 07:40:11,317 INFO L87 Difference]: Start difference. First operand 355 states and 390 transitions. Second operand 10 states. [2020-09-25 07:40:11,830 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:40:12,840 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:40:13,163 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 07:40:14,223 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:40:14,568 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:40:14,947 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:40:15,716 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 07:40:16,060 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 07:40:16,381 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 07:40:16,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:40:16,737 INFO L93 Difference]: Finished difference Result 842 states and 998 transitions. [2020-09-25 07:40:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 07:40:16,738 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-25 07:40:16,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:40:16,744 INFO L225 Difference]: With dead ends: 842 [2020-09-25 07:40:16,744 INFO L226 Difference]: Without dead ends: 602 [2020-09-25 07:40:16,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 07:40:16,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2020-09-25 07:40:16,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 517. [2020-09-25 07:40:16,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2020-09-25 07:40:16,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 578 transitions. [2020-09-25 07:40:16,813 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 578 transitions. Word has length 179 [2020-09-25 07:40:16,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:40:16,814 INFO L479 AbstractCegarLoop]: Abstraction has 517 states and 578 transitions. [2020-09-25 07:40:16,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 07:40:16,814 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 578 transitions. [2020-09-25 07:40:16,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 07:40:16,818 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:40:16,818 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] [2020-09-25 07:40:16,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:40:16,818 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:40:16,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:40:16,819 INFO L82 PathProgramCache]: Analyzing trace with hash -67508309, now seen corresponding path program 1 times [2020-09-25 07:40:16,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:40:16,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016071646] [2020-09-25 07:40:16,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:40:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:16,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:17,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:17,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 07:40:17,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:17,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 840 [2020-09-25 07:40:17,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:17,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:40:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-09-25 07:40:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 07:40:17,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:18,042 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:40:18,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:40:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:18,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:18,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:18,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:40:18,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:18,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 07:40:18,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:18,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:18,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:18,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:18,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:18,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:18,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:40:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:18,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:18,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:18,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:18,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:18,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:18,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:18,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:18,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:18,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:18,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:18,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:18,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:40:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:18,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:18,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:18,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:18,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:18,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:40:18,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:18,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:18,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:18,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:18,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:18,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:18,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:40:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:18,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:18,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:18,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:18,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:18,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:40:18,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:18,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:18,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:18,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:18,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:18,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:18,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:40:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:18,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:18,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:18,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:18,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:18,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:40:18,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:18,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:18,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:18,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:18,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:18,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:18,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:40:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:18,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:18,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:18,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:40:18,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:18,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:18,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:18,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:18,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:18,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:18,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:18,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:18,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 07:40:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:18,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:18,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:18,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:40:18,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:18,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:18,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:18,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:18,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:18,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:18,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:18,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:18,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 07:40:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:18,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:18,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:18,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:40:18,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:18,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:18,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:18,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:18,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:18,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:18,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:18,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:18,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:40:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:18,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:18,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:18,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:18,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:18,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:18,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:18,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:18,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:18,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:18,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:18,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:18,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 07:40:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:18,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:18,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:18,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 07:40:18,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:18,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 07:40:18,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:18,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:18,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:40:18,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 07:40:18,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 07:40:18,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:18,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:40:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:18,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:18,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:18,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 07:40:18,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:18,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 07:40:18,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:18,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:18,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:40:18,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:18,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 07:40:18,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:18,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:40:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:18,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:18,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:18,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:40:18,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:18,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 07:40:18,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:18,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:18,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:18,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:18,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:18,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:18,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 07:40:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:18,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:18,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:18,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:40:18,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:18,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:18,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:18,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:18,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:18,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 07:40:18,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:18,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:18,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-25 07:40:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:18,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:18,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:18,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:18,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:18,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:18,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:18,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:18,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:18,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:40:18,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:18,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:18,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 07:40:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:18,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:18,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:18,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:18,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:18,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:40:18,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:18,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:18,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:18,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:40:18,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:18,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:18,551 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 07:40:18,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016071646] [2020-09-25 07:40:18,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:40:18,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 07:40:18,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080459293] [2020-09-25 07:40:18,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 07:40:18,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:40:18,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 07:40:18,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 07:40:18,554 INFO L87 Difference]: Start difference. First operand 517 states and 578 transitions. Second operand 11 states. [2020-09-25 07:40:20,299 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:40:20,657 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 07:40:21,000 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 07:40:21,331 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:40:21,675 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 07:40:21,981 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:40:22,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:40:22,786 INFO L93 Difference]: Finished difference Result 1104 states and 1323 transitions. [2020-09-25 07:40:22,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 07:40:22,787 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 207 [2020-09-25 07:40:22,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:40:22,799 INFO L225 Difference]: With dead ends: 1104 [2020-09-25 07:40:22,799 INFO L226 Difference]: Without dead ends: 702 [2020-09-25 07:40:22,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-25 07:40:22,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-09-25 07:40:22,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 536. [2020-09-25 07:40:22,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-09-25 07:40:22,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 597 transitions. [2020-09-25 07:40:22,909 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 597 transitions. Word has length 207 [2020-09-25 07:40:22,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:40:22,910 INFO L479 AbstractCegarLoop]: Abstraction has 536 states and 597 transitions. [2020-09-25 07:40:22,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 07:40:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 597 transitions. [2020-09-25 07:40:22,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 07:40:22,913 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:40:22,914 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] [2020-09-25 07:40:22,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 07:40:22,914 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:40:22,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:40:22,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1207302133, now seen corresponding path program 1 times [2020-09-25 07:40:22,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:40:22,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836954356] [2020-09-25 07:40:22,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:40:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:23,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:23,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:23,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 07:40:23,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:23,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 679 [2020-09-25 07:40:23,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:23,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:23,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:40:23,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 07:40:23,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:40:23,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:23,987 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:40:23,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:40:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:24,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:24,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:24,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:40:24,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:24,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-25 07:40:24,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:24,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:24,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:24,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:24,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:24,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:24,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:40:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:24,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:24,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:24,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:24,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:24,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:40:24,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:24,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:24,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:24,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:24,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:24,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:24,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:40:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:24,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:24,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:24,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:24,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:24,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:40:24,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:24,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:24,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:24,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:24,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:24,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:24,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:40:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:24,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:24,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:24,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:24,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:24,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:40:24,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:24,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:24,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:24,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:24,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:24,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:24,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:40:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:24,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:24,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:24,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:24,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:24,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:40:24,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:24,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:24,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:24,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:24,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:24,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:24,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:40:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:24,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:24,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:24,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:40:24,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:24,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:24,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:24,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:24,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:24,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 07:40:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:24,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:24,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:24,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:40:24,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:24,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:24,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:24,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:24,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:24,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:24,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:24,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:24,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 07:40:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:24,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:24,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:24,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:40:24,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:24,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:24,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:24,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:24,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:24,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:24,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:24,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:24,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:40:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:24,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:24,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:24,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:24,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:24,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:40:24,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:24,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:24,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:24,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:24,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:24,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:24,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 07:40:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:24,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:24,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:24,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 07:40:24,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:24,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 07:40:24,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:24,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:24,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:40:24,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 07:40:24,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:40:24,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1